AP Music Theory Terms

Cadence

a two-chord progression that occurs at the end of a phrase

Cadential Extension

the delay of a cadence by addition of material

Coda

used to indicate the section that ends a piece

Codetta

a brief conclusion with a dominant-tonic cadence that may be repeated several times for emphasis

Contour

the shape of a melodic line

Countermelody

an accompanying melody that contrasts against the main melody

Elision (phase elision)

the simultaneous use of the last note in one phrase as the first note of the next phrase

Fragment (fragmented motive)

a small but recognizable part of the motive

Introduction

the beginning of a piece

Bridge

the contrasting section of a song which prepares for the return of the main section

Chorus

A large organized group of singers

Song Form (AABA)

This type of song has an opening section (A), a bridge (B) before transitioning to the final A section. This song form is used in a variety of music genres

Turnaround

A passage at the end of a section which leads to the next section. This next section is most often the repetition of the previous section or the entire piece or song. It may lead back to the section either harmonically, as a chord progression, or melodica

Twelve-bar Blues

In its basic form, it is predominantly based on the I-IV-V chords of a key

Augmentation

Melody, theme or motif presented in longer note-values than were previously used

Conjunct

The interval between two consecutive scale degrees

Diminution

A long note is divided into a series of shorter, usually melodic, values

Disjunct

A larger interval between scale degrees, also called a skip

Phrase Extension

Once the composer establishes a phrase length, it can be extended on the upbeat, body, or cadence portions of the phrase.

Fragmentation

Division of a musical idea into small sections

Internal Expansion

Phrase extends beyond the expected phrase length

Melodic Inversion

Where the original melody goes up by an interval, the inverted melody goes down by the same interval

Literal Repetition

Often indicated by the use of a repeat sign, or the instructions da capo or dal segno

Motivic Transformation

Change of rhythmic theme

Octave Displacement

Taking a melodic line and moving some of the notes into a different octave

Retrograde

The inverse of the series is sounded in reverse order

Rhythmic Transformation

Multiplication, rotation, permutation (i.e. transposition, inversion, and retrograde), and combinations thereof involving rhythm

Sequence

The restatement of a motif or longer melodic (or harmonic) passage at a higher or lower pitch in the same voice

Sequential Repetition

Transposing a longer sequence to a different scale degree; may be diatonic or intervocalically exact.

Transposition

The process of rewriting a piece of music or a scale so that is sounds higher or lower in pitch. This involves raising or lowering each pitch by the same interval

Truncation

Utilizing a melody with part of the end omitted

Motive

short, recurring, musical idea

Antecedent

1st phrase of a period (less complete cadence)

Consequent

2nd phrase (more complete cadence)

Contrasting Period

periods with a different melody (especially beginning)

Double Period

two periods (4 phrases) joined together where the first acts as the antecedent and the second acts as the consequent

Parallel Period

beginning of the melody SAME in both phrases (but ending different)

Phrase Group

Any grouping of phrases defined by a terminal cadence

Refrain

a repeated line or phrase incorporated lyrically and musically within the verse itself

Binary Form

two sections often repeated (AABB)

Rounded Binary

between binary and ternary where only part of A is played, usually the latter part with a PAC (AB 1/2A)

Simple Binary

binary form that does not return to the A section

Ternary

three parts usually returning to A (AABA) or (ABA)

Solo

one voice alone in a featured section

Soli

a group alone in a featured section

stanza

a group of lines forming the basic recurring metrical unit in a poem; a verse.

Strophic

(AAAA) same music used for each verse (hymn)

Theme

melodic subject of a musical composition

Thematic Transformation

a musical technique in which a theme is developed by changing the theme by using permutation (transposition or modulation, inversion, and retrograde), augmentation, diminution, and fragmentation.

Through-composed

new music for each stanza (ABCD)

Tutti

(especially as a direction after a solo section) with all voices or instruments together

Variation

a change or difference in condition, amount, or level, typically with certain limits.

Verse

poetic stanza repeated in a song

Imperfect Authentic Cadence

A medial musical cadence where either or both chords are in inversion and a note other than tonic is sung by the top upper voice (Soprano) (i.e. V [or V7]-I)

Perfect Authentic Cadence

A final musical cadence where both chords are in root position and the tonic note in the I chord is in the top upper voice (Soprano) (i.e. V [or V7]-I)

Conclusive Cadence

A musical cadence that ends on a tonic triad

Deceptive Cadence

A musical cadence that ends on a triad other than tonic (i.e. V-vi or V-IV6)

Half Cadence

A musical cadence that is medial and includes and cadence ending on a dominant function chord (i.e. IV-V, ii-V, I-V, vi-V, or V/V-V)

Phrygian Half Cadence

A musical cadence involving the progression of iv6-V in a minor key

Inconclusive Cadence

A musical cadence in which the soprano or bass voices end on a scale degree other than tonic

Plagal Cadence

A final musical cadence that is authentic and involves the progression of IV-I, ii-I, or ii7-I

Augmented Triad

Triad consisting of stacked major thirds (M3) or a major third with an augmented fifth (A5)

Diminished Triad

Triad consisting of stacked minor thirds (m3) or a minor third with a diminished fifth (d5)

Major Triad

Triad consisting of a major third (M3) with a perfect fifth (P5)

Minor Triad

Triad consisting of minor third (m3) with a perfect fifth (P5)

Major Seventh Chord

Chord with an added major seventh (M7)

Dominant (Major-Minor) Seventh Chord

Major chord with a minor seventh (m7)

Minor Seventh Chord

Chord with an added minor seventh (m7)

Half-Diminished Seventh Chord

Diminished chord with a major seventh (M7)

Fully-Diminished Seventh Chord

Diminished chord with a minor seventh (m7)

Tonic

Scale degree one

Supertonic

Scale degree two

Mediant

Scale degree three

Subdominant

Scale degree four

Dominant

Scale degree five

Submediant

Scale degree six

Subtonic

Scale degree seven

Leading Tone

Raised scale degree seven

Tonic Function

A chord that functions as a tonic chord, (I VI)

Dominant Function

A chord that functions as a dominant chord (V vii)

Predominant Function

A chord that prepares the V chord (ii IV)

Circle of Fifths

A visual representation of the relationships among the 12 tones of the chromatic scale, their corresponding key signatures, and the associated major and minor keys

Harmonic Rhythm/Rate of Harmonic Change

The rate at which the chords change in a musical composition (TWO NAMES for this term)

Modulation

The process of moving from one tonal center to another

Common Tone Modulation

A form of modulation in which a key change occurs by using a note from the old key to transition into the new one.

Phrase Modulation

A form of modulation in which the key changes abruptly after a cadence with no common chord.

Pivot Chord Modulation

A form of modulation in which a chord that is shared by both keys is used to transition into the new key

Neighboring Chord

Chord where the bottom lower voice (bass) remains stationary while the upper voices move to neighboring tones and back (occasionally one or more upper voices may have passing tones).

Passing Chord

Bass motion in passing tones

Retrogression

A series of chords that weakens tonality

Secondary Dominant Chord

A chord that is the V (or V7) chord of a certain key other than the tonic key ("the key within a key")

Secondary Leading Tone Chord

A chord that is the vii�, vii�7, or vii�7 of a certain key other than the tonic key ("the key within a key")

Tonicization

Process in which a chord other than tonic is usually set up by a secondary dominant chord to sounds like a temporary tonic chord

Arpeggiating 6/4 Triad

Second inversion triad created by arpeggiation of the triad in the bass

Cadential 6/4 Triad

Second inversion triad that precedes the dominant and is often found at a cadence

Neighboring/Pedal 6/4 Triad

Second inversion triad that occurs when the third and fifth of a root position triad are embellished by their upper neighboring tones while the bass remains stationary

Passing 6/4 Triad

Second inversion triad that harmonizes the bass passing tone; usually placed on an unaccented beat and upper voice motion is ordinarily by step

Anticipation

Unaccented non-chord tone that foreshadows a chord tone

Appoggiatura

Accented non-chord tone that is approached by skip and resolved by step

Escape Tone

Unaccented non-chord tone that is approached by step and resolved by skip

Neighbor Tone

Non-chord tone used between a chord tone and its repetition

Double Neighbor Tone

Two neighbor tones that around the same pitch (i.e. one note is higher and the other is lower)

Lower Neighbor Tone

Non-chord tone where the dissonant note is lower than the chord tone

Upper Neighbor Tone

Non-chord tone where the dissonant note is higher than the chord tone

Neighbor Group (Cambiata)

Two non-consecutive non-chord tones in which the first tone moves up a step from the chord tone, skips down to another non-chord tone, and resolves to the original chord tone

Embellishment/Ornament

Musical flourishes that serve to decorate the main melodic line (TWO NAMES for this term)

Passing Tone

Non-chord tone used stepwise to fill in gaps between chord tones

Pedal Point

Chord tone that serves to prolong the harmony through a passage; usually on tonic or dominant note

Preparation

The tone that precedes the suspension

Resolution

The tone that follows the suspension

Retardation

Accented non-chord tone that keeps a note the same and then steps upwards

Suspension

Accented non-chord tone that keeps a note the same and then steps downward

Rearticulated Suspension

A suspension that is rearticulated on the beat

Suspension Chain

A combination of suspensions in which the resolution of each one prepares the next

Close Position

Less than an octave between the soprano and tenor voices

Open Position

An octave or more between the soprano and tenor voices

Doubling

Common part-writing rule that specifies what note should be used twice (root)

Root Position

Root of the chord is in the bass.

First Inversion

Third of the chord is in the bass.

Second Inversion

Fifth of the chord is in the bass.

Third Inversion

Seventh of the chord is in the bass (applies only to chords with added sevenths)

Common Tone

Note that is shared by two different chords

Contrary Motion

Voices move in opposite directions

Cross Relation

A harmonic clash that occurs when a note in one part sounds simultaneously with or immediately before or after its chromatically altered equivalent.

Crossed Voices

Part-writing error where voices are singing in one another's ranges

Oblique Motion

One voice moves while the other remains stationary

Overlapping Voices

Part-writing error where one voice crosses above or below the previous note of another voice

Parallel Motion

Voices move in the same direction by the same interval

Parallel Fifths

Part-writing error where two voices that are a P5 above each other move to another P5

Parallel Octaves

Part-writing error where two voices that are a P8 above each other move to another P8

Similar Motion

Voices move in the same direction

Tendency Tone

A tone that is harmonically or melodically unstable and tends naturally to resolve itself either upward or downward

Unresolved Leading Tone

Part-writing error that involves scale degree seven not being resolved to tonic

Unresolved Seventh

Part-writing error that involves the seventh of a chord not being resolved downwards

Arpeggiation

The process of spreading a chord out instead of playing the notes simultaneously

Chromatic

Scale that includes every single note and lacks a tonal center

Consonance

A simultaneous combination of tones conventionally accepted as being in a state of repose

Diatonic

Involving only notes proper to the prevailing key without chromatic alteration

Dissonance

A simultaneous combination of tones conventionally accepted as being in a state of unrest and needing completion

Figured Bass

A kind of musical notation in which numerals and symbols (often accidentals) indicate intervals, chords, and non-chord tones

Picardy Third

Raised third of a major tonic triad that is used to end a work in the minor mode

Antiphonal

Alternate singing by two choirs or singers.

Articulation

How a note is played

Arco

Articulation where note is played with the bow

Legato

In a smooth, flowing manner

Marcato

Strongly accented

Pizzicato

Articulation where note is plucked

Slur

Connecting two or more notes in a single bow

Staccato

Playing notes in a sharply detached manner.

Tenuto

Emphasis in the value of a note.

Call and Response

A succession of two distinct phrases usually played by different musicians, where the second phrase is heard as a direct commentary on or response to the first

Crescendo

Gradually getting louder

Diminuendo

Gradually getting softer

Terrace Dynamics

Volume levels shift abruptly from soft to loud.

Pianissimo

Very softly.

Piano

Softly.

Mezzo Piano

Mildly soft.

Mezzo Forte

Mildly loud.

Forte

Loud.

Fortissimo

Very loud.

Adagio

Slowly; often indicates a speed somewhere between andante and largo

Allegro

Fast

Andante

Moderately slow; walking speed

Andantino

Slightly slower or faster than andante; like walking speed

Grave

Very slow; solemn

Largo

Rather slow; stately

Lento

Slow

Moderato

Moderate speed

Presto

Very fast

Vivace

Lively

Accelerando

An increase in the speed of the music; gradually getting faster

Ritardando

A decrease in the speed of the music; gradually getting slower

Ritenuto

Held back

Rubato

With some freedom of time

Tremolo

A trembling effect in a musical tone; rapid reiteration of a single note or between two notes or chords

Trill

A musical ornament consisting of a rapid alternation between two adjacent notes (usually a semitone or tone apart)

Accent

Emphasis placed on a note

Agogic Accent

Natural accent

Dynamic Accent

Emphasis using louder sound; typically most pronounced on the attack of the sound

Metrical Accent

Stress based on division of the beat

Anacrusis

One or more unstressed notes before the first bar line of a piece or passage

Asymmetrical Meter

A regular metric pattern that is established from a sequence of two or more irregular time signatures

Augmentation

The lengthening of the time values of notes in a melodic part

Bar Line

Vertical line used to mark the division of bars

Beat

Rhythmic movement

Compound Meter

Beat subdivided into three parts.

Simple Meter

Beat subdivided into sections of two.

Cross Rhythm

The use of two or more rhythms simultaneously

Diminution

Long note is divided into a series of shorter, usually melodic, values

Dot

Extends note value by one half.

Dotted Rhythm

Beat is unequally subdivided into a long dotted note and a short note.

Duplet

Two notes fit into one beat.

Duration

How long something lasts.

Hemiola

A rhythmic pattern of syncopated beats with two beats in the time of three or three beats in the time of two

Duple Meter

Primary division of two beats per bar.

Triple Meter

Primary division of three beats per bar.

Quadruple Meter

Primary division of four beats per bar.

Polyrhythm

The simultaneous use of two or more conflicting rhythms

Pulse

A regular, reoccuring emphasis of a fixed interval of time; how one feels the beat

Swing Rhythm

A rhythmic feel in which some notes with equal written time values are performed with unequal durations, usually as alternating long and short

Syncopation

Displacement of the normal metric accent.

Tie

A line connecting two note heads indicating that they should be played as one note.

Triplet

A group of three notes played in a specific time value (i.e. two, four, etc.)

Chromaticism

The use of altered tones.

Harmonic Minor

Minor scale in which the seventh scale degree is raised one half-step

Melodic Minor

Minor scale in which the sixth and seventh scale degrees are raised one half-step

Natural Minor

Minor scale in which the diatonic intervals are whole steps except for between scale degrees 2-3 and 5-6; also known as an aeolian church mode

Ionian Mode

Church mode in which a scale starts on scale degree one

Dorian Mode

Church mode in which a scale starts on scale degree two

Phrygian Mode

Church mode in which a scale starts on scale degree three

Lydian Mode

Church mode in which a scale starts on scale degree four

Mixolydian Mode

Church mode in which a scale starts on scale degree five

Aeolian Mode

Church mode in which a scale starts on scale degree six; also known as a natural minor scale

Locrian Mode

Church mode in which a scale starts on scale degree seven

Modality

Organized scales based on the displacement of the tonic note along an arrangement of seven natural tones.

Parallel Key

A major and a minor scale with the same tonic

Pentatonic

Scale of five notes (Do Re Mi So La)

Relative Key

A major and a minor scale with the same key signature

Tetrachord

Series of four notes

Tonality

The arrangement of all the tones and chords of a composition in relation to the tonic

Whole-Tone Scale

Scale in which each note is separated by a whole step

Melismatic

Singing one syllable on multiple notes

Syllabic

Singing one syllable per note

Alberti Bass

accompaniment pattern in the bass using an arpegiated three note chord

Canon

multiple voices play the same musical line at different places (round is a type of canon)

Canonic

in canon form

Chordal accompaniment

when the harmonies are in forms of chords

Contrapuntal

with 2 or more different melodic lines

counterpoint

playing a melody in conjunction with another

imitation

EXACTLY THE SAME

Imitative polyphony

the individual lines are similar in their shapes and sounds (though not exactly the same)

Nonimitative polyphony

the voices show little resemblance to each other

fugal imitation

Imitation of the subject which enters at a different pitch level, usually the fourth or fifth.

Heterophony

only one melody, but different variations being sung or played a the same time

Homophony

one clear melody line

Chordal homophony

every line or voice moves together with the same rhythm

Chordal Texture (homorhythmic)

a texture with the same rhythm throughout

Melody with accompaniment

one melodic line but not limited to chords moving together

Brass

Division of the orchestra: Tubular wind instruments usually made of brass. Trumpet, cornet, horn, trombone (Paul), euphonium, and tuba.

Continuo

Two performers who play continually throughout a performance; a cellist and a keyboardist, both reading from figured-bass scores. Essential to ensemble music from about 1600-1750 (the Baroque era.)

Percussion

Division of the orchestra: Any instrument that makes its sound by being struck. Common members are drums; cymbals; timpani; xylophones

Rhythm Section

That part of the band or orchestra composed of unpitched instruments which produce their sound by being struck. The backbone of this is the drums.

Strings

Division of the orchestra: Instruments that make their sound from strings which are bowed or plucked. The string section is composed of violin, viola (Joey), cello, and double bass.

Timbre

The quality of a sound; "tone color"; i.e.; the reediness of an oboe; the warmth of the cello; the brassiness of a trumpet.

Woodwinds

musical instruments which produce sound when the players blow air against an edge of, or opening in, the instruments, causing the air to vibrate within a resonator

Monophony

music with only one melody line

Obbligato

an integral part to a piece of music (obligate)

ostinato

continually repeated musical phrase or rhythm

Polyphony

more than one independent melody occuring at the same time

register

division of the range of an instrument

Tessitura

general range of a composition

Walking bass

a bass line that moves steadily in a rhythm contrasting to that of the upper parts

Aria

A solo song within an opera or oratorio

Art Song

A solo song not from an opera; often from the Romantic era

Concerto

A large-scale, multi-movement piece written for a solo instrument and orchestra

Interlude

Music written to be played between acts of a play, opera, or ballet.

Opera

Large-scale musical/theatrical piece; a play set to music and presented with full orchestra, singers, sets, and costumes.

Prelude

A piece written to precede some other musical work or worship service; also, a short, self-contained musical piece.

Postlude

Usually, recessional music for a worship service

Sonata

A piece written for solo instrument (such as piano) or a single-line instrument (such as flute or cello) and piano.

String Quartet

An ensemble of four stringed instruments: Two violins, viola, and cello. Also, music written for this ensemble.