Bicycle
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! bicycle.scl ! 13-limit harmonic bicycle, George Secor, 1963 ! Transposition of Wilson's Helix Song, see David Rosenthal, Helix Song, XH 7&8, 1979 ! Also Andrew Heathwaite's Rodan scale 12 ! 13/12 9/8 7/6 5/4 4/3 11/8 3/2 13/8 5/3 7/4 11/6 2/1
Theory
"The design principle: we want as many 7-note 2 3 5 7 9 11 13 complete otonalities as we can get. If we take one of those, offset it by 3/2 as a duplicate otonality, and then take the union of both otonalities, it's this 12 note constant structure scale." (Scott Dakota)
Scott Dakota also refers to this scale as Almond.
F | C | A | Eb | G | B | Db |
---|---|---|---|---|---|---|
2 | 3 | 5 | 7 | 9 | 11 | 13 |
C | G | E | Bb | D | F# | Ab |
3 | 9 | 15 | 21 | 27 | 33 | 39 |