Pitch Content
A scale of all M2nds
Whole Tone
Chromatic music with no tonal center
Atonal
Having no perceived meter
Ametric
Repeated melody with variations
Passacaglia
Chords built mostly of seconds
Secundal
A scale consisting of scale degrees 1 3 4 5 7 from minor
Minor Pentatonic
Music from 1600-1900 with a pitch center and raised Leading Tone; opposite of Atonal
Tonal / tonality
Having two meters or metric feels at once
Polymeter
Repeated set of Chords with variations
Chaconne
Chords built of 4ths and 5ths
Quartal-Quintal
Scale alternating whole and half steps
Octatonic
Having multiple tonal centers at once
Polytonal
Asymmetrical meter (or its many synonyms)
61.8% ratio that occurs often in nature and art
The Golden Ratio
Taking a single chord structure and moving it around by parallel motion
Planing
A piece containing the full chromatic collection (all 12 pitches)
Aggregate
Modal
Rhythms that are the same backwards as forwards
Rhythmic palindrome
A B C B A
Arch form
Stravinsky Chord that is two triads a tritone apart
Petroushka Chord
A mode consisting of #4 and b7
Lydian-Mixolydian
Diatonic music with no clear tonal center
Pandiatonic
Rhythms that expand or contract by a consistent rhythmic value
Additive/subtractive rhythms
A form that is composed of many small tiles;
A B C D E B C F D A
Mosaic form
Scriabin chord that is quartal-quintal and a subset of the Lydian-Mixolydian scale
Mystic Chord