The harmonic scale is a "super-just" musical scale allowing extended just intonation, beyond 5-limit to the 19th harmonic (ⓘ), and free modulation through the use of synthesizers. Transpositions and tuning tables are controlled by the left hand on the appropriate note on a one-octave keyboard.[1]
For example, if the harmonic scale is tuned to a fundamental of C, then harmonics 16–32 are as follows:
| Notation | Harmonics[2] | Cents | ||
|---|---|---|---|---|
| C | C | C | ⓘ | 0 |
| C♯ | C ♯ |
D♭ | ⓘ | 104.96 |
| D | D | D♮ | ⓘ | 203.91 |
| E♭ | E ♭ |
E♭ | ⓘ | 297.51 |
| E♮ | E♮ | E↓ | ⓘ | 386.31 |
| F | F + |
F |
ⓘ | 470.78 |
| F♯ | F↑ | F ♯ |
ⓘ | 551.32 |
| G | G | G | ⓘ | 701.96 |
| A♭ | A ♭ |
A ♭ |
ⓘ | 840.53 |
| A♮ | A♮+ | A♮ | ⓘ | 905.87 |
| B♭ | B♭ |
B♭ |
ⓘ | 968.83 |
| B♮ | B♮ | B♮↓ | ⓘ | 1088.27 |
| C' | C' | C' | ⓘ | 1200 |
Some harmonics are not included:[1] 23, 25, 29, & 31. The 21st is a natural seventh above G, but not a great interval above C, and the 27th is a just fifth above D. ⓘ
It was invented by Wendy Carlos and used on three pieces on her album Beauty in the Beast (1986): Just Imaginings, That's Just It, and Yusae-Aisae. Versions of the scale have also been used by Ezra Sims, Franz Richter Herf and Gosheven.[3]
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Transcription
Number of notes
Though described by Carlos as containing "144 [= 122] distinct pitches to the octave",[4] the twelve scales include 78 (= 12(12+1)/2) notes per octave.
Technically there should then be duplicates and thus 57 (= 78 − 21) pitches (21 = 6(6+1)/2). For example, a perfect fifth above G (D) is the major tone above C.
References
- ^ a b Milano, Dominic (November 1986). "A Many-Colored Jungle of Exotic Tunings", Keyboard.
- ^ Benson, Dave (2007). Music: A Mathematical Offering, p. 212. ISBN 9780521853873.
- ^ Sims, Ezra (1987), "Observations on Microtonality Issue: Letters", Computer Music Journal, 11 (4): 8–9, doi:10.2307/3680228, JSTOR 3680228
- ^ Carlos, Wendy (1987), "Tuning: At the Crossroads", Computer Music Journal, 11 (1): 29–43, doi:10.2307/3680176, JSTOR 3680176
External links
- "Wendy Carlos Harmonic scale", Microtonal-Synthesis.com.
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This page was last edited on 21 November 2022, at 22:42