Pitch Content
A scale of all M2nds
Whole Tone
Chromatic music with no tonal center
Atonal
Having no perceived meter
Ametric
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
Chords built of 4ths and 5ths
Quartal-Quintal
Scale alternating whole and half steps
Octatonic (Diminished)
Having multiple tonal centers at once
Polytonal
Asymmetrical meter (or its many synonyms)
Taking a single chord structure and moving it around by parallel motion
Planing
Scale alternating minor 3rd, half step, etc.
Hexatonic (Augmented)
Modal
Rhythms that are the same backwards as forwards
Rhythmic palindrome
Stravinsky Chord that is two chord a half-step apart
Rite of Spring 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
Scriabin chord that is quartal-quintal and a subset of the Lydian-Mixolydian scale
Mystic Chord