BazzLow

Glossary

Every term defined in the course, with the lesson that introduces it. 350 terms.

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12-bar blues

A 12-bar chord pattern on I, IV and V, usually all dominant 7th chords.

Introduced in lesson 12.4 The 12-bar blues

A

AABA form

The 32-bar song form: four 8-bar sections, B being the bridge.

Introduced in lesson 15.1 Song form
accent

Playing a note a little louder than the others.

Introduced in lesson 2.5 Strong and weak beats
accidental

A sign that changes the pitch of a note: ♯, ♭, ♮, 𝄪 or 𝄫.

Introduced in lesson 1.3 Sharps, flats and enharmonic notes · also in 3.5
add chord

A chord with an added note and no 7th, such as Cadd9.

Introduced in lesson 14.1 Extended chords
Aeolian

The sixth mode; it is the natural minor scale.

Introduced in lesson 13.1 What a mode is
alt

The chord symbol for an altered dominant, such as C7alt.

Introduced in lesson 14.2 Altered chords
altered chord

A dominant 7th chord with a raised or lowered 5th or extension.

Introduced in lesson 14.2 Altered chords
altered dominant

A dominant 7th with altered 5th and/or 9th and no natural 9, 11 or 13.

Introduced in lesson 14.2 Altered chords
anticipation

The note of the next chord played before the bar line and tied across it.

Introduced in lesson 11.2 Syncopation
approach note

The note just before a target note.

Introduced in lesson 9.4 Passing and approach notes
arpeggio

A chord played one note at a time.

Introduced in lesson 7.1 Chords on the bass
arpeggio pattern

A pattern of chord tones such as 1–3–5–3.

Introduced in lesson 9.3 Chord tones over changes
arpeggio shape

A movable pattern for playing the notes of a chord one at a time.

Introduced in lesson 7.5 Triad shapes on the bass
augmented interval

An interval one semitone larger than a major or perfect interval.

Introduced in lesson 4.4 Augmented, diminished and the tritone
augmented major seventh

An augmented triad with a major 7th: 1 3 ♯5 7, found on III in the harmonic minor.

Introduced in lesson 10.2 Diminished 7th and minor-major 7th
augmented second

An interval of 3 semitones spelled as a 2nd, found between ♭6 and 7 in the harmonic minor.

Introduced in lesson 6.4 The harmonic minor scale
augmented triad

Two major 3rds: 1 3 ♯5.

Introduced in lesson 7.3 Diminished and augmented triads
authentic cadence

The cadence V → I.

Introduced in lesson 8.6 Cadences

B

backbeat

Snare hits on beats 2 and 4.

Introduced in lesson 2.5 Strong and weak beats
bar

A group of beats between two barlines.

Introduced in lesson 2.3 Bars and time signatures
barline

The vertical line that separates bars.

Introduced in lesson 2.3 Bars and time signatures
bass clef

The clef used for bass parts; its two dots sit on either side of the 4th line, which is F (F3).

Introduced in lesson 3.2 The staff and the bass clef
bass note

The lowest note of a chord, which decides its position.

Introduced in lesson 7.6 Inversions and slash chords
beam

The thick line that joins a group of eighth or sixteenth notes in place of separate flags.

Introduced in lesson 2.4 Counting eighth notes
beat

The steady, regular “tap” you feel in music; what you tap your foot to.

Introduced in lesson 2.1 Beat, tempo and BPM
blue note

The ♭5 of the blues scale; with the ♭3 and ♭7 it gives the blues its tension against major chords.

Introduced in lesson 12.3 The blues scale
blues bass line

A bass line built from chord tones of dominant 7th chords, often with the 6 as a colour note.

Introduced in lesson 12.5 Blues bass lines
blues scale

The minor pentatonic plus the ♭5: 1 ♭3 4 ♭5 5 ♭7.

Introduced in lesson 12.3 The blues scale
boogie pattern

The bass pattern 1–5–6–5 over a dominant 7th chord, or its longer forms.

Introduced in lesson 12.5 Blues bass lines
borrowed chord

A chord taken from the parallel key, such as iv in a major key.

Introduced in lesson 14.4 Borrowed chords
BPM

Beats per minute. At 60 BPM each beat lasts one second; at 120 BPM, half a second.

Introduced in lesson 2.1 Beat, tempo and BPM
bridge

A contrasting section, usually played once.

Introduced in lesson 15.1 Song form

C

cadence

The chord motion that ends a phrase, like punctuation.

Introduced in lesson 8.6 Cadences
cent

One hundredth of an equal-tempered half step.

Introduced in lesson 1.7 Natural harmonics
changes

Another word for the chord progression of a song.

Introduced in lesson 8.5 Common progressions
characteristic note

The note that makes a mode recognisable, such as the ♯4 of Lydian.

Introduced in lesson 13.2 The seven modes, one by one
chord

Three or more different notes sounding together.

Introduced in lesson 7.1 Chords on the bass
chord box

A diagram that shows a chord in a window of 5 frets. The number under the first column is the fret where the window starts.

Introduced in lesson 0.3 Reading the diagrams
chord chart

A sheet with only chord symbols, usually with slashes for the beats.

Introduced in lesson 15.2 Lead sheets and chord charts
chord family

The chords of a key; in a major key, major – minor – minor – major – major – minor – diminished.

Introduced in lesson 8.1 Diatonic triads
chord function

The role of a chord in a key: tonic, subdominant or dominant.

Introduced in lesson 8.4 Chord function
chord progression

The sequence of chords under a song.

Introduced in lesson 8.5 Common progressions
chord quality

The kind of chord: major, minor, diminished, augmented, suspended…

Introduced in lesson 7.4 Chord symbols
chord scale

The scale that fits a chord.

Introduced in lesson 13.4 Modes and chords
chord symbol

A root name followed by a suffix for the chord quality.

Introduced in lesson 7.4 Chord symbols
chord tone

A note that belongs to a chord, in any order or octave.

Introduced in lesson 7.1 Chords on the bass
chorus

A section with the same music and lyrics each time; the main hook.

Introduced in lesson 15.1 Song form
chorus (blues)

One pass through the 12-bar form, one verse of the song.

Introduced in lesson 12.4 The 12-bar blues
chromatic approach

An approach note a half step below or above the target.

Introduced in lesson 9.4 Passing and approach notes
chromatic scale

All 12 notes in order, one half step apart. On one string: every fret in turn.

Introduced in lesson 1.4 The chromatic scale
circle of fifths

The 12 keys arranged like a clock, each clockwise step a perfect 5th higher and adding one sharp.

Introduced in lesson 5.6 The circle of fifths
circle of fourths

The circle of fifths read counter-clockwise, in perfect 4ths.

Introduced in lesson 5.6 The circle of fifths
clef

The sign at the start of the staff that fixes which note is on which line.

Introduced in lesson 3.2 The staff and the bass clef

A neighbour on the circle of fifths or a relative minor; it differs from the home key by at most one accidental.

Introduced in lesson 14.5 Changing key
coda

An ending section, marked with the sign 𝄌.

Introduced in lesson 15.1 Song form · also in 15.2
colour note (tension note)

A note that is not a chord tone but adds colour, such as the 2, 4 or 6 over a m7 chord.

Introduced in lesson 13.4 Modes and chords
common time

The time signature 4/4, also written C.

Introduced in lesson 2.3 Bars and time signatures
common tone

A note shared by two chords.

Introduced in lesson 9.3 Chord tones over changes
compound interval

An interval larger than an octave. Subtract 7 from its number to get the simple interval.

Introduced in lesson 4.6 Compound intervals
compound meter

A meter in which each beat is a dotted note that divides into three: 6/8, 9/8, 12/8.

Introduced in lesson 11.4 Compound meter
concert pitch

The standard tuning reference: A4 = 440 Hz.

Introduced in lesson 1.1 The musical alphabet
concert pitch (sounding pitch)

The pitch that actually sounds, as opposed to the written pitch. For the bass it is one octave below the written note.

Introduced in lesson 3.3 Bass sounds an octave lower
consonance

An interval that sounds stable, at rest.

Introduced in lesson 4.7 Consonance and dissonance
contrary motion

Two voices moving in opposite directions.

Introduced in lesson 9.6 Chords and melody
courtesy accidental

An accidental, sometimes in brackets, written as a reminder in the next bar.

Introduced in lesson 3.5 Accidentals and key signatures on the staff
cut time

The time signature 2/2, written ¢: two half-note beats per bar, felt in two.

Introduced in lesson 2.3 Bars and time signatures

D

da capo

D.C.: go back to the beginning.

Introduced in lesson 15.2 Lead sheets and chord charts
dal segno

D.S.: go back to the sign 𝄋.

Introduced in lesson 15.2 Lead sheets and chord charts
dead note

A muted note, marked x in a tab.

Introduced in lesson 3.1 Bass tablature
deceptive cadence

The cadence V → vi, or V to another chord than I: home is expected but not reached.

Introduced in lesson 8.6 Cadences
degree

A number that tells the role of a note in a chord or scale (1, 3, 5…). The Degrees switch shows these numbers instead of note names.

Introduced in lesson 0.3 Reading the diagrams
diatonic

Using only the notes of the key.

Introduced in lesson 8.1 Diatonic triads
diatonic chord

A chord built on a degree of the scale using only notes of the key.

Introduced in lesson 8.1 Diatonic triads
diatonic seventh chords

The seventh chords built on each degree of a scale using only notes of the key.

Introduced in lesson 10.3 Diatonic seventh chords
diminished interval

An interval one semitone smaller than a minor or perfect interval.

Introduced in lesson 4.4 Augmented, diminished and the tritone
diminished seventh chord

Three minor 3rds stacked: 1 ♭3 ♭5 𝄫7, such as C°7. It is symmetrical.

Introduced in lesson 10.2 Diminished 7th and minor-major 7th
diminished triad

Two minor 3rds: 1 ♭3 ♭5.

Introduced in lesson 7.3 Diminished and augmented triads
direct modulation

A key change made by simply starting in the new key.

Introduced in lesson 14.5 Changing key
dissonance

An interval that sounds tense and seems to want to move.

Introduced in lesson 4.7 Consonance and dissonance
dominant

Degree 5, the strongest support of the tonic.

Introduced in lesson 5.2 Scale degrees
dominant approach

An approach note that is the 5th of the target chord.

Introduced in lesson 9.4 Passing and approach notes
dominant chain

A series of dominants resolving down in 5ths, such as E7 → A7 → D7 → G7.

Introduced in lesson 10.4 The dominant seventh
dominant function

The group of chords with tension that want to resolve to I: V, vii°.

Introduced in lesson 8.4 Chord function
dominant seventh chord

A major triad with a ♭7: 1 3 5 ♭7, such as C7. The V7 chord pulls strongly to I.

Introduced in lesson 10.1 The four main seventh chords · also in 10.4
Dorian

The second mode: 1 2 ♭3 4 5 6 ♭7.

Introduced in lesson 13.1 What a mode is
dotted note

A note followed by a dot, which adds half of its value.

Introduced in lesson 2.6 Dots and ties
dotted-quarter beat

The beat of a compound meter, which divides into three eighth notes.

Introduced in lesson 11.4 Compound meter
double flat

𝄫: lowers a note by two half steps. B𝄫 sounds as A.

Introduced in lesson 1.3 Sharps, flats and enharmonic notes
double sharp

𝄪: raises a note by two half steps. F𝄪 sounds as G.

Introduced in lesson 1.3 Sharps, flats and enharmonic notes
downbeat

A numbered beat, as opposed to the “&” between beats.

Introduced in lesson 2.4 Counting eighth notes
drone

A note held or repeated while the harmony stays still.

Introduced in lesson 13.5 Modal harmony
dyad

A combination of two notes, such as a power chord.

Introduced in lesson 7.1 Chords on the bass

E

eighth note

A note with a filled head, a stem and one flag. It lasts half a beat.

Introduced in lesson 2.2 Note values and rests
eleventh

A compound interval: an octave plus a 4th.

Introduced in lesson 4.6 Compound intervals
enharmonic

Two names for the same pitch, such as C♯ and D♭.

Introduced in lesson 1.3 Sharps, flats and enharmonic notes
enharmonic interval

Two intervals of the same size with different names, such as an augmented 5th and a minor 6th.

Introduced in lesson 4.4 Augmented, diminished and the tritone
enharmonic key

Two keys with the same sounds written two ways, such as F♯ major and G♭ major.

Introduced in lesson 5.4 Keys and key signatures
equal temperament

The tuning of modern instruments: the octave divided into 12 equal half steps, each raising the frequency by about 1.0595.

Introduced in lesson 1.4 The chromatic scale
extended chord

A chord that keeps stacking thirds above the 7th: 9, 11, 13.

Introduced in lesson 14.1 Extended chords
extension

A note added above the 7th of a chord: the 9, 11 or 13.

Introduced in lesson 14.1 Extended chords

F

F clef

Another name for the bass clef.

Introduced in lesson 3.2 The staff and the bass clef
fake book

A collection of lead sheets.

Introduced in lesson 15.2 Lead sheets and chord charts
fifth

The note a 5th above the root in a triad.

Introduced in lesson 7.2 Building triads in thirds
fill

A short run of notes that fills the end of a bar or a phrase.

Introduced in lesson 9.5 Walk-ups and walk-downs · also in 15.1
fine

The place where the piece ends after a D.C. or D.S.

Introduced in lesson 15.2 Lead sheets and chord charts
finger numbers

Numbers for the fingers of the fretting hand: 1 index, 2 middle, 3 ring, 4 little finger.

Introduced in lesson 0.3 Reading the diagrams
fingerboard

The front surface of the neck, where the frets are and where you press the strings.

Introduced in lesson 1.5 Mapping the fretboard
first ending

The bars played the first time through a repeat.

Introduced in lesson 15.2 Lead sheets and chord charts
first inversion

A chord with the 3rd in the bass.

Introduced in lesson 7.6 Inversions and slash chords
five of five

The dominant of the dominant, V7/V: in C, D7.

Introduced in lesson 14.3 Secondary dominants
flag

The curved mark at the end of a stem that shortens a note: one for an eighth note, two for a sixteenth.

Introduced in lesson 3.4 Reading rhythm on the staff
flat

♭: lowers a note by a half step, one fret towards the headstock.

Introduced in lesson 1.3 Sharps, flats and enharmonic notes
flat seven chord

The ♭VII chord, the most frequent borrowed chord in rock and pop.

Introduced in lesson 14.4 Borrowed chords
fret

A position on a string, counted from the nut. Each fret is a half step higher than the one before; fret 0 is the open string.

Introduced in lesson 0.3 Reading the diagrams
fully diminished

Another name for the diminished 7th chord, as opposed to the half-diminished.

Introduced in lesson 10.2 Diminished 7th and minor-major 7th
fundamental

The vibration of the string as a whole.

Introduced in lesson 1.7 Natural harmonics

G

gallop rhythm

The figure eighth note + two sixteenths, counted 1 & a.

Introduced in lesson 11.1 Sixteenth notes

H

half cadence

A cadence that ends on V, open like a comma.

Introduced in lesson 8.6 Cadences
half note

A note with an open head and a stem. It lasts 2 beats.

Introduced in lesson 2.2 Note values and rests
half step

The smallest distance between two notes: one fret on the same string. Also called a semitone.

Introduced in lesson 1.2 Half steps and whole steps
half-diminished chord

A diminished triad with a ♭7: 1 ♭3 ♭5 ♭7, such as Cø7.

Introduced in lesson 10.1 The four main seventh chords
hammer-on

A technique marked h between two fret numbers in a tab.

Introduced in lesson 3.1 Bass tablature
harmonic analysis

Studying a song’s key, chords and functions to make bass choices deliberate.

Introduced in lesson 15.4 Putting it all together
harmonic interval

An interval between two notes played together.

Introduced in lesson 4.1 What an interval is
harmonic minor scale

The natural minor with a raised 7th: 1 2 ♭3 4 5 ♭6 7.

Introduced in lesson 6.4 The harmonic minor scale
harmonic rhythm

How often the chords change.

Introduced in lesson 9.1 Roots
harmonic series

The vibrations of a string as a whole and, at the same time, in halves, thirds, quarters and so on. Together they give the bass its tone.

Introduced in lesson 1.7 Natural harmonics
harmonizing

Choosing chords for a melody.

Introduced in lesson 9.6 Chords and melody
hook

The catchy phrase, musical or lyrical, that listeners remember.

Introduced in lesson 15.1 Song form

I

ii–V–I

The progression ii7 – V7 – Imaj7, the most important in jazz.

Introduced in lesson 10.5 ii–V–I
imperfect cadence

An authentic cadence that is not perfect.

Introduced in lesson 8.6 Cadences
imperfect consonance

A major or minor 3rd or 6th.

Introduced in lesson 4.7 Consonance and dissonance
interval

The distance in pitch between two notes, with a number and a quality.

Introduced in lesson 4.1 What an interval is
interval inversion

Moving the lower note up an octave, or the upper note down an octave. The numbers add up to 9 and the semitones to 12.

Introduced in lesson 4.5 Inverting intervals
interval number

The count of letter names from one note to the other, including both ends: C to E is a 3rd.

Introduced in lesson 4.1 What an interval is
interval quality

The word that, with the number, names an interval exactly: perfect, major, minor, augmented or diminished.

Introduced in lesson 4.2 Major, minor and perfect
interval shape

The fixed pattern of strings and frets that an interval makes on the bass in standard tuning.

Introduced in lesson 4.3 Interval shapes on the bass
intro

The instrumental opening of a song.

Introduced in lesson 15.1 Song form
inversion

A chord with a note other than the root in the bass.

Introduced in lesson 7.6 Inversions and slash chords
Ionian

The first mode of the major scale; it is the major scale.

Introduced in lesson 13.1 What a mode is

J

jazz minor

The melodic minor with the raised 6th and 7th used both up and down.

Introduced in lesson 6.5 The melodic minor scale

K

key

A tonic plus its scale; a piece is in a key when it uses mainly the notes of that scale and feels resolved on its tonic.

Introduced in lesson 5.4 Keys and key signatures
key signature

The sharps or flats written after the clef on every line: they apply to every note with that letter name, in every octave.

Introduced in lesson 3.5 Accidentals and key signatures on the staff · also in 5.4
kick drum

The bass drum, often played on or around beats 1 and 3.

Introduced in lesson 2.5 Strong and weak beats

L

landmark

A note that is easy to find without counting, such as the notes on the marker frets.

Introduced in lesson 1.5 Mapping the fretboard
lead sheet

A sheet with the melody on a staff, chord symbols above it and often the lyrics.

Introduced in lesson 15.2 Lead sheets and chord charts
leading tone

Degree 7, a half step below the tonic, which pulls up to it.

Introduced in lesson 5.2 Scale degrees · also in 6.4
ledger line

A short extra line for a note above or below the staff.

Introduced in lesson 3.2 The staff and the bass clef
legato

Smoothly connected, as a slur asks.

Introduced in lesson 2.6 Dots and ties
lesson

One step of the course: one objective, an explanation with diagrams, a “Try it” exercise and the new terms it introduces.

Introduced in lesson 0.1 How this course works
Locrian

The seventh mode: 1 ♭2 ♭3 4 ♭5 ♭6 ♭7.

Introduced in lesson 13.1 What a mode is
Lydian

The fourth mode: 1 2 3 ♯4 5 6 7.

Introduced in lesson 13.1 What a mode is

M

major dominant

The V chord of a minor key made major by the raised 7th of the harmonic minor.

Introduced in lesson 8.3 Chords of a minor key
major interval

A 2nd, 3rd, 6th or 7th that is one semitone larger than its minor form.

Introduced in lesson 4.2 Major, minor and perfect
major mode

A mode with a major 3rd: Ionian, Lydian or Mixolydian.

Introduced in lesson 13.2 The seven modes, one by one
major pentatonic

The major scale without its 4th and 7th: 1 2 3 5 6.

Introduced in lesson 12.1 The major pentatonic scale
major scale

The scale with the step pattern W–W–H–W–W–W–H.

Introduced in lesson 5.1 The major scale formula
major seventh chord

A major triad with a major 7th: 1 3 5 7, such as Cmaj7.

Introduced in lesson 10.1 The four main seventh chords
major triad

A major 3rd plus a minor 3rd: 1 3 5.

Introduced in lesson 7.2 Building triads in thirds
measure

Another word for bar.

Introduced in lesson 2.3 Bars and time signatures
mediant

Degree 3.

Introduced in lesson 5.2 Scale degrees
melodic interval

An interval between two notes played one after the other.

Introduced in lesson 4.1 What an interval is
melodic minor scale

The minor scale with the 6th and 7th both raised: 1 2 ♭3 4 5 6 7.

Introduced in lesson 6.5 The melodic minor scale
metronome

A device or an app that clicks at a chosen BPM. Many metronomes accent the first beat of each bar.

Introduced in lesson 2.1 Beat, tempo and BPM
middle C

C4, on the first ledger line above the bass clef staff.

Introduced in lesson 3.2 The staff and the bass clef
middle eight

Another name for the bridge.

Introduced in lesson 15.1 Song form
minor interval

A 2nd, 3rd, 6th or 7th that is one semitone smaller than its major form.

Introduced in lesson 4.2 Major, minor and perfect
minor key

A key built mainly on a minor scale, whose 3rd above the tonic is minor.

Introduced in lesson 6.1 The natural minor scale
minor key harmony

The chords of a minor key: i ii° III iv v VI VII from the natural minor, with V and vii° from the harmonic minor.

Introduced in lesson 8.3 Chords of a minor key
minor mode

A mode with a ♭3: Dorian, Aeolian, Phrygian, and Locrian.

Introduced in lesson 13.2 The seven modes, one by one
minor pentatonic

The natural minor scale without its 2nd and 6th: 1 ♭3 4 5 ♭7.

Introduced in lesson 12.2 The minor pentatonic scale
minor seventh chord

A minor triad with a ♭7: 1 ♭3 5 ♭7, such as Cm7.

Introduced in lesson 10.1 The four main seventh chords
minor sixth chord

A minor triad with a major 6th added: 1 ♭3 5 6, such as Cm6.

Introduced in lesson 10.6 Sixth chords
minor triad

A minor 3rd plus a major 3rd: 1 ♭3 5.

Introduced in lesson 7.2 Building triads in thirds
minor-major seventh chord

A minor triad with a major 7th: 1 ♭3 5 7, such as Cm(maj7).

Introduced in lesson 10.2 Diminished 7th and minor-major 7th
Mixolydian

A major scale with a ♭7; the scale a dominant 7th chord comes from.

Introduced in lesson 10.4 The dominant seventh · also in 13.1

The order of the modes from brightest (Lydian) to darkest (Locrian), each step lowering one note.

Introduced in lesson 13.2 The seven modes, one by one

Using in a key chords from its parallel minor or from other parallel modes.

Introduced in lesson 14.4 Borrowed chords

Music whose home note and harmony come from a mode other than plain major or minor.

Introduced in lesson 13.5 Modal harmony

One or two chords repeated, typical of modal pieces.

Introduced in lesson 13.5 Modal harmony
mode

A scale obtained by starting a parent scale from one of its degrees and treating that note as the tonic.

Introduced in lesson 13.1 What a mode is
modulation

A change of key: the music settles on a new tonic.

Introduced in lesson 14.5 Changing key
module

A group of lessons on one subject. The course has 16 modules, numbered 0 to 15.

Introduced in lesson 0.1 How this course works
movable shape

A shape that plays the same scale in another key when its root is moved to another note.

Introduced in lesson 5.3 Major scale fingerings
musical alphabet

The seven note names, which repeat in the same order in every octave.

Introduced in lesson 1.1 The musical alphabet

N

N.C.

“No chord”: nobody plays harmony.

Introduced in lesson 15.2 Lead sheets and chord charts
Nashville number system

A way of writing chords as Arabic numbers for scale degrees, with the key at the top.

Introduced in lesson 15.3 The Nashville number system
natural harmonic

A note played by touching the string lightly over a node and plucking: the fundamental is silenced and one harmonic remains.

Introduced in lesson 1.7 Natural harmonics
natural minor scale

The minor scale with the pattern W–H–W–W–H–W–W, or 1 2 ♭3 4 5 ♭6 ♭7.

Introduced in lesson 6.1 The natural minor scale
natural note

One of the seven notes without a sharp or flat: C D E F G A B.

Introduced in lesson 1.1 The musical alphabet
natural sign

♮: cancels a sharp or flat written earlier.

Introduced in lesson 1.3 Sharps, flats and enharmonic notes
neighbouring key

A key next to another on the circle of fifths; the two differ by one note.

Introduced in lesson 5.6 The circle of fifths
ninth

A compound interval: an octave plus a 2nd.

Introduced in lesson 4.6 Compound intervals
node

A point that divides the string into equal parts, such as fret 12 (halves) or fret 7 (thirds).

Introduced in lesson 1.7 Natural harmonics
non-chord tone

A note that is not in the current chord.

Introduced in lesson 9.4 Passing and approach notes
note value

How long a note lasts, relative to the others: each value is half of the one before.

Introduced in lesson 2.2 Note values and rests
notehead

The round part of a note, open or filled.

Introduced in lesson 3.4 Reading rhythm on the staff
number chart

A chart written in Nashville numbers.

Introduced in lesson 15.3 The Nashville number system
nut

The point from which frets are counted. In the diagrams it is the thick line on the left, with the body of the bass to the right.

Introduced in lesson 0.3 Reading the diagrams

O

oblique motion

One voice moves while the other stays.

Introduced in lesson 9.6 Chords and melody
octave

The distance from a note to the next note with the same name. The higher note vibrates twice as fast; on one string it is 12 frets higher.

Introduced in lesson 1.1 The musical alphabet
octave pattern

A pattern of root and octave in eighths, typical of disco and dance.

Introduced in lesson 9.2 Root, fifth and octave
octave shape

A fixed hand shape that finds the same note an octave higher or lower, such as two strings up and two frets up.

Introduced in lesson 1.6 Octave shapes
octave transposition

The convention that bass parts are written one octave higher than they sound.

Introduced in lesson 3.3 Bass sounds an octave lower
odd meter

A meter such as 5/4 or 7/8. Outside this course.

Introduced in lesson 11.4 Compound meter
off-beat

The “&” between the numbered beats; also called upbeat.

Introduced in lesson 2.4 Counting eighth notes
open string

A string played without pressing any fret: fret 0 in the diagrams.

Introduced in lesson 0.2 Your bass: strings and tuning
order of flats

The fixed order in which flats appear in key signatures: B E A D G C F.

Introduced in lesson 5.5 The order of sharps and flats
order of sharps

The fixed order in which sharps appear in key signatures: F C G D A E B.

Introduced in lesson 5.5 The order of sharps and flats
outer voices

The bass and the melody.

Introduced in lesson 9.6 Chords and melody
outline

To play the chord tones one at a time instead of the whole chord.

Introduced in lesson 7.1 Chords on the bass
outro

The ending section of a song.

Introduced in lesson 15.1 Song form
overtone

Any vibration of a string besides the whole: in halves, thirds, quarters and so on.

Introduced in lesson 1.7 Natural harmonics

P

parallel key

A key with the same tonic as another but a different scale, such as C major and C minor.

Introduced in lesson 6.3 Parallel major and minor
parallel major

The major key on the same tonic as a minor key.

Introduced in lesson 6.3 Parallel major and minor
parallel minor

The minor key on the same tonic as a major key; its signature has 3 more flats or 3 fewer sharps.

Introduced in lesson 6.3 Parallel major and minor
parallel modes

Modes that share one tonic.

Introduced in lesson 13.3 Relative and parallel modes
parallel motion

Two voices moving in the same direction by the same interval.

Introduced in lesson 9.6 Chords and melody
parent scale

The scale whose notes a mode uses.

Introduced in lesson 13.1 What a mode is
passing note

A non-chord tone that fills the gap between two chord tones by step.

Introduced in lesson 9.4 Passing and approach notes
pedal point

A single bass note held or repeated while the chords above it change.

Introduced in lesson 9.1 Roots
pentatonic scale

A scale of five notes.

Introduced in lesson 12.1 The major pentatonic scale
perfect cadence

An authentic cadence with both chords in root position and the melody ending on the tonic.

Introduced in lesson 8.6 Cadences
perfect consonance

Unison, octave and perfect 5th; usually the perfect 4th too.

Introduced in lesson 4.7 Consonance and dissonance
perfect fourth

A distance of five frets, or 5 semitones. Neighbouring strings of a bass in standard tuning are a perfect fourth apart.

Introduced in lesson 0.2 Your bass: strings and tuning
perfect interval

An interval of the kind that has no major or minor form: unison, 4th, 5th, octave.

Introduced in lesson 4.2 Major, minor and perfect
Phrygian

The third mode: 1 ♭2 ♭3 4 5 ♭6 ♭7.

Introduced in lesson 13.1 What a mode is
Picardy third

A major I chord at the very end of a minor piece.

Introduced in lesson 14.4 Borrowed chords
pitch

How high or low a note is.

Introduced in lesson 1.1 The musical alphabet
pitch class

One of the 12 notes, in any octave: every C, low or high, belongs to the pitch class C.

Introduced in lesson 1.4 The chromatic scale
pivot chord

A chord that belongs to both keys of a modulation and works as the hinge.

Introduced in lesson 14.5 Changing key
plagal cadence

The cadence IV → I, a soft close.

Introduced in lesson 8.6 Cadences
position

A region of the neck where a shape is played.

Introduced in lesson 5.3 Major scale fingerings
position marker

The dots on the neck at frets 3, 5, 7, 9 and (double) 12, repeated at 15, 17, 19, 21 and (double) 24.

Introduced in lesson 0.3 Reading the diagrams
power chord

The root and the 5th, often with the octave; it has no 3rd.

Introduced in lesson 7.7 Sus chords and power chords
pre-chorus

A short build-up leading into the chorus.

Introduced in lesson 15.1 Song form
predominant

Another name for the subdominant group, which comes before the dominant.

Introduced in lesson 8.4 Chord function
pull-off

A technique marked p between two fret numbers in a tab.

Introduced in lesson 3.1 Bass tablature
pulse

Another word for the beat.

Introduced in lesson 2.1 Beat, tempo and BPM
push

Another word for an anticipation: pushing the chord change early.

Introduced in lesson 11.2 Syncopation

Q

quarter note

A note with a filled head and a stem. It lasts 1 beat in the most common case.

Introduced in lesson 2.2 Note values and rests
quick change

A 12-bar blues variant with IV7 in bar 2.

Introduced in lesson 12.4 The 12-bar blues

R

real book

A fake book of jazz tunes.

Introduced in lesson 15.2 Lead sheets and chord charts
refrain

A line that returns at the end of each verse.

Introduced in lesson 15.1 Song form
relative major

The major key with the same notes as a minor key; its tonic is the ♭3 of the minor scale.

Introduced in lesson 6.2 Relative minor and relative major
relative minor

The minor key with the same notes and key signature as a major key; its tonic is the 6th degree of the major scale.

Introduced in lesson 6.2 Relative minor and relative major
relative modes

Modes that share one parent scale.

Introduced in lesson 13.3 Relative and parallel modes
release

The feeling of arriving at rest, usually on the tonic.

Introduced in lesson 8.4 Chord function
repeat sign

A sign that marks a passage to be played twice: 𝄆 … 𝄇.

Introduced in lesson 15.2 Lead sheets and chord charts
resolution

The movement from a dissonance to a more stable sound.

Introduced in lesson 4.7 Consonance and dissonance · also in 10.4
rest

A silence with the same length as the note value it matches.

Introduced in lesson 2.2 Note values and rests
Roman numeral

A number that names a chord by the degree of its root; uppercase for major, lowercase for minor.

Introduced in lesson 8.2 Roman numerals
Roman numeral analysis

Writing a progression in Roman numerals so that it works in any key.

Introduced in lesson 8.2 Roman numerals
root

The note shown as 1 or R in the diagrams, always in green. Its full meaning is explained in Module 7.

Introduced in lesson 0.3 Reading the diagrams · also in 7.2
root movement

The interval between the roots of two chords in a row; down a 5th is the strongest.

Introduced in lesson 8.4 Chord function
root position

A chord with the root in the bass.

Introduced in lesson 7.6 Inversions and slash chords
root–fifth

A bass pattern that alternates the root and the 5th.

Introduced in lesson 9.2 Root, fifth and octave

S

scale

A set of notes in order of pitch, from a starting note up to its octave.

Introduced in lesson 5.1 The major scale formula
scale approach

An approach note a scale step above or below the target.

Introduced in lesson 9.4 Passing and approach notes
scale degree

The number, 1 to 7, of a note within a scale.

Introduced in lesson 5.2 Scale degrees
scale formula

The pattern of whole and half steps that builds a scale from any note.

Introduced in lesson 5.1 The major scale formula
scale shape

A scale pattern played across strings.

Introduced in lesson 5.3 Major scale fingerings
scientific pitch notation

Names one exact note by adding its octave number: middle C is C4, the open E string is E1. The number changes at C.

Introduced in lesson 0.2 Your bass: strings and tuning · also in 1.1
second ending

The bars played instead of the first ending on the repeat.

Introduced in lesson 15.2 Lead sheets and chord charts
second inversion

A chord with the 5th in the bass.

Introduced in lesson 7.6 Inversions and slash chords
secondary dominant

The dominant 7th of a chord other than I, written V7/x.

Introduced in lesson 14.3 Secondary dominants
section

A part of a song that repeats, such as a verse or a chorus.

Introduced in lesson 15.1 Song form
semitone

Another name for the half step: one fret on the same string.

Introduced in lesson 1.2 Half steps and whole steps
seventh chord

A triad plus a 7th above the root: four notes, 1 3 5 7, with varying qualities.

Introduced in lesson 10.1 The four main seventh chords
sharp

♯: raises a note by a half step, one fret towards the body.

Introduced in lesson 1.3 Sharps, flats and enharmonic notes
shift

Moving the hand along the neck to join two shapes.

Introduced in lesson 5.3 Major scale fingerings
shuffle

A long–short feel built on the triplet, common in blues, boogie and rock.

Introduced in lesson 11.5 Swing and shuffle
similar motion

Two voices moving in the same direction.

Introduced in lesson 9.6 Chords and melody
simple interval

An interval within the octave.

Introduced in lesson 4.6 Compound intervals
simple meter

A meter in which each beat divides naturally into two.

Introduced in lesson 2.3 Bars and time signatures · also in 11.4
sixteenth note

A note with a filled head, a stem and two flags. It lasts a quarter of a beat.

Introduced in lesson 2.2 Note values and rests · also in 11.1
sixth chord

A triad with a major 6th added: 1 3 5 6, such as C6.

Introduced in lesson 10.6 Sixth chords
slash chord

A chord symbol with a bass note after a slash, such as C/E.

Introduced in lesson 7.6 Inversions and slash chords
slash notation

Writing the beats of a bar as slashes under or after a chord symbol.

Introduced in lesson 15.2 Lead sheets and chord charts
slide

A technique marked / (up) or \ (down) between two fret numbers in a tab.

Introduced in lesson 3.1 Bass tablature
slur

A curved line joining notes of different pitches, asking for a smooth connection.

Introduced in lesson 2.6 Dots and ties
snare

The snare drum, often played on beats 2 and 4.

Introduced in lesson 2.5 Strong and weak beats
solfège

The note names used in Italian, French, Spanish and other languages: Do Re Mi Fa Sol La Si. They are fixed: Do is always C.

Introduced in lesson 1.1 The musical alphabet
song form

The way a song is organised into sections.

Introduced in lesson 15.1 Song form
split bar

A bar with two or more chords, written as grouped numbers.

Introduced in lesson 15.3 The Nashville number system
staff

The five lines and four spaces on which notes are written; higher on the staff means higher in pitch.

Introduced in lesson 3.2 The staff and the bass clef
standard tuning

The usual tuning of the bass: E A D G on 4 strings, B E A D G on 5 strings, each string a perfect fourth above the one below.

Introduced in lesson 0.2 Your bass: strings and tuning
stem

The vertical line attached to a notehead.

Introduced in lesson 3.4 Reading rhythm on the staff
step-up

A key change that moves the last chorus up a half or whole step.

Introduced in lesson 14.5 Changing key
strong beat

A beat that carries more weight; in 4/4, beat 1 is the strongest and beat 3 medium-strong.

Introduced in lesson 2.5 Strong and weak beats
subdivision

A division of the beat into smaller equal parts, such as the four sixteenths of a beat.

Introduced in lesson 11.1 Sixteenth notes
subdominant

Degree 4.

Introduced in lesson 5.2 Scale degrees
subdominant function

The group of chords that move away and prepare: IV, ii.

Introduced in lesson 8.4 Chord function
submediant

Degree 6.

Introduced in lesson 5.2 Scale degrees
subtonic

A whole step below the tonic (♭7), used in minor scales and modes.

Introduced in lesson 5.2 Scale degrees
suffix

The part of a chord symbol after the root, such as m or sus4.

Introduced in lesson 7.4 Chord symbols
supertonic

Degree 2.

Introduced in lesson 5.2 Scale degrees
sus2

A suspended chord with the 2nd in place of the 3rd: 1 2 5.

Introduced in lesson 7.7 Sus chords and power chords
sus4

A suspended chord with the 4th in place of the 3rd: 1 4 5.

Introduced in lesson 7.7 Sus chords and power chords
suspended chord

A chord in which the 3rd is replaced by a 2nd or a 4th.

Introduced in lesson 7.7 Sus chords and power chords
swing

A feel in which pairs of eighth notes are played long–short instead of equal.

Introduced in lesson 11.5 Swing and shuffle
swing ratio

The ratio of the long note to the short one in swung eighths, usually 2:1; it varies with tempo and style.

Introduced in lesson 11.5 Swing and shuffle
swung eighths

Eighth notes played long–short, usually in a 2:1 ratio.

Introduced in lesson 11.5 Swing and shuffle
symmetrical chord

A chord that contains the same pitches when built from each of its notes, such as the augmented triad.

Introduced in lesson 7.3 Diminished and augmented triads
syncopation

Notes or accents placed where they are not expected, on weak beats or off-beats.

Introduced in lesson 11.2 Syncopation

T

tab

Short for tablature.

Introduced in lesson 3.1 Bass tablature
tablature

Notation that draws the strings as lines and writes the fret to play as a number.

Introduced in lesson 3.1 Bass tablature
target note

The note, usually the next chord’s root, that a bass line is heading for.

Introduced in lesson 9.3 Chord tones over changes
tempo

How fast the beats go, measured in beats per minute.

Introduced in lesson 2.1 Beat, tempo and BPM
tension

The feeling that a chord wants to move on.

Introduced in lesson 8.4 Chord function
tenth

A compound interval: an octave plus a 3rd.

Introduced in lesson 4.6 Compound intervals
tertian harmony

Chords built by stacking 3rds.

Introduced in lesson 7.2 Building triads in thirds
theoretical key

A key that would need more than 7 accidentals, so it is written enharmonically instead.

Introduced in lesson 5.4 Keys and key signatures
theory

Music theory: how music is built from notes, rhythm, intervals, scales, chords and harmony. This course teaches it as it applies to the bass.

Introduced in lesson 0.1 How this course works
third

The note a 3rd above the root in a triad; it decides whether the chord is major or minor.

Introduced in lesson 7.2 Building triads in thirds
thirteenth

A compound interval: an octave plus a 6th.

Introduced in lesson 4.6 Compound intervals
tie

A curved line joining two notes of the same pitch: the first is held through the second and the lengths add up.

Introduced in lesson 2.6 Dots and ties
timbre

The tone colour of a note.

Introduced in lesson 1.1 The musical alphabet
time signature

Two stacked numbers at the start of the music: the top says how many beats are in each bar, the bottom which note value counts as one beat.

Introduced in lesson 2.3 Bars and time signatures
tonic

The starting note of a scale; degree 1, the note that feels like home.

Introduced in lesson 5.1 The major scale formula
tonic function

The group of chords that feel like home: I, vi, iii.

Introduced in lesson 8.4 Chord function
tonicization

Leaning briefly toward another chord as if it were the tonic, without changing key.

Introduced in lesson 14.3 Secondary dominants
transposing

Playing the same music in a different key, moving every note by the same interval.

Introduced in lesson 5.7 Transposing
transposing instrument

An instrument whose written pitch differs from its sounding pitch. Some musicians classify the bass this way; others do not.

Introduced in lesson 3.3 Bass sounds an octave lower
transposition

The result of transposing music to another key.

Introduced in lesson 5.7 Transposing
treble clef

The G clef, used for higher instruments and the piano’s right hand.

Introduced in lesson 3.2 The staff and the bass clef
triad

A three-note chord built by stacking two 3rds: root, 3rd and 5th.

Introduced in lesson 7.2 Building triads in thirds
triad shape

A movable pattern of strings and frets for a triad.

Introduced in lesson 7.5 Triad shapes on the bass
triplet

Three equal notes in the time normally taken by two of the same value.

Introduced in lesson 11.3 Triplets
tritone

An interval of 6 semitones, three whole tones: an augmented 4th or a diminished 5th.

Introduced in lesson 4.4 Augmented, diminished and the tritone
truck driver's change

Another name for the step-up.

Introduced in lesson 14.5 Changing key
tuner

An electronic device or app for tuning: the most accurate way to tune a bass.

Introduced in lesson 0.2 Your bass: strings and tuning
tuplet

The general name for a group of equal notes that replaces a different number, such as a triplet.

Introduced in lesson 11.3 Triplets
turnaround

The last bar or two of a 12-bar blues, which lead back to bar 1.

Introduced in lesson 12.4 The 12-bar blues
two-beat feel

The root on beat 1 and the 5th on beat 3, typical of country, folk and polka.

Introduced in lesson 9.2 Root, fifth and octave
two-five-one

Another name for ii–V–I.

Introduced in lesson 10.5 ii–V–I

U

unison

An interval of zero semitones: two notes on the same pitch (a 1st).

Introduced in lesson 1.5 Mapping the fretboard · also in 1.6, 4.1
upbeat

Another word for off-beat.

Introduced in lesson 2.4 Counting eighth notes
upper structure

The notes played above the bass in a chord, often a simpler chord of its own.

Introduced in lesson 14.1 Extended chords

V

verse

A section with the same music and different lyrics each time.

Introduced in lesson 15.1 Song form
vibrato

A technique marked ~ in a tab.

Introduced in lesson 3.1 Bass tablature

W

walk-down

A falling run of notes that leads from one chord’s root to the next one’s.

Introduced in lesson 9.5 Walk-ups and walk-downs
walk-up

A rising run of notes that leads from one chord’s root to the next one’s.

Introduced in lesson 9.5 Walk-ups and walk-downs
walking bass

A style of bass line with four quarter notes per bar, mostly in jazz.

Introduced in lesson 9.4 Passing and approach notes
weak beat

A beat that carries less weight; in 4/4, beats 2 and 4.

Introduced in lesson 2.5 Strong and weak beats
whole note

A note with an open head and no stem. It lasts 4 beats when the quarter note is one beat.

Introduced in lesson 2.2 Note values and rests
whole step

Two half steps: two frets on the same string. Also called a tone or whole tone.

Introduced in lesson 1.2 Half steps and whole steps
whole tone

Another name for the whole step: two frets on the same string.

Introduced in lesson 1.2 Half steps and whole steps
whole-bar rest

A whole rest used to mean a whole bar of silence, in any time signature.

Introduced in lesson 3.4 Reading rhythm on the staff