- Modes of limited transposition (Messiaen’s term),
- Non-Messiaenic modes of limited transposition (e.g., modes that repeat every 2 or 3 8ves)
- Non-Western scales (e.g., pelog, slendra (Indonesia), Hejaz scale (middle east, and flamenco; AKA Phrygian dominant scale, Jewish scale), Indian scales, etc.)
- Octatonic scale (A.K.A. “diminished scale”)
- Pentatonic scales (i.e., anhemitonic (e.g., CDEGA), hemitonic (e.g., EFGBC), hirajoshi (e.g., ABCEF), etc.
- Whole-Tone scale
- Any other made-up, or synthetic, scale
RHYTHM and METER
- Added-Value Rhythms
- Additive Rhythms
- Cross Rhythm
- Eastern European (asymmetrical; 2+2+3, 2+2+2+3, 3+2+2+3, etc.), West African, and other world rhythms
- Free (“timeless”, no sense of pulse)
- Isorhythms
- Jazz (?)
- Mixed meters ( 3/4 | 5/8 | 2/4 | 7/16 |, etc.)
- Motor rhythms (continuous motion)
- Non-retrogradable
- Nonretrogradable Rhythm
- Polymeters
- Polyrhythms
- Polytempo
- Rhythms or phrase lengths based on Fibonacci (or other) Numerical Series.
- Tempo fluctuations (i.e., sudden/gradual tempo changes, metric modulation)
MUSICAL CHARACTER, IDIOMS/GENRES
- Various programmatic moods, such as aggressive, pretty, wistful, playful, demented, nervous, sad (various kinds), numb (catatonic), angry, fearful, etc.
- New jazz, third stream
- Fusions; combining popular music genres (rock/electropop/trance/hippety-hop, etc.) with various post-tonal art-music devices
- Minimalism (repetitive (trance-inducing); sparse and static (trance-inducing))
- New simplicity
- Borrowing/adopting elements of music from other cultures: Japan, Eastern Europe, India, etc.
- Expressive (romantic) versus Non-expressive (mechanistic)
TECHNIQUES
- Any systematic (or non-systematic) approach to harmony not rooted in tonality
- Clusters
- Extended and non-tonal tertian harmony (e.g., Scriabin’s “mystic” chord)
- Extended instrumental and vocal techniques (multiphonics, prepared piano, etc.)
- Graphic notation
- Hindemith’s approach to harmony (from The Craft of Musical Composition)
- Indeterminacy, aleatorism, controlled aleatorism
- Klangfarbenmelodie, texture-based organization
- Microtones
- Mixed media
- Modulation
- Motivic unity; set theory (post-tonal); using a limited number of specific intervals
- Music without melody
- Nihilism, Antimusic, Decategorization, Biomusic, (what the heck do these terms mean?)
- Non-Tertian harmony (secundal, quartal, quintal)
- Planing
- Pointillism
- Polyrhythms
- Polystylism
- Polytonality, polymodality
- Quotation
- Saturation (Ligeti, industrial music)
- Serialism (“total;” creating series of dynamics, articulations, registers, timbres)
- Serialism (pitch)
- Spectral music
- Any combination of the above