Polymicrotonality
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Polymicrotonality is the use of multiple tuning systems in the same piece.[1] Ivor Darreg also calls this polysystemic. [2]
Techniques
With equal divisions of the octave (or any other interval) tuning systems, polymicrotonality is achieved via the equal division which is the least common multiple of the two (or more) systems being played. Highly composite edos are rich sources of polysystemicism as they have more divisors than any number before them, and thus provide strong opportunities of using multiple systems in one piece.
Music
- Poly Temperament Microtonality | 19edo + 29edo + 39edo (2023)
- Polymicrotonality ECHO-Pluck | 7edo + 72edo | Ars Goetia (2024)
- Prayer Room 31edo - 12edo - JI (2019)
- "In The Dark" from The Dying Saviour (2019) – Spotify | Bandcamp | YouTube – 23edo, 22edo, 21edo, 20edo, 19edo and 18edo
- Tuning Survey from July 21 2010
- The Mouth Opens to Speak – Bill Bremmer Shining Brow tuning and 12edo
- The Lumma Cryptic – Boethiuss Chromatic
- immoderate moderations – Gramham Breed blues scale in 22edo plus 12edo
- untitled 1 – 12edo and 17-limit quasi-meantone in A major
- In Search of Perfect Consonance (2010) – play | blog – Roland GR-20 re-tuned to Arabic 17-note Pythagorean tuning and electric guitar in 12 equal
- Seventeen Years in the Sixties (2011) – play | blog – 17edo guitar, 12edo 5-string bass & drums
- Chris Vaisvil and Paul H. Muller