Music.Theory.Tuning.Polansky_1978

Larry Polansky. "Psaltery (for Lou Harrison)". Frog Peak Music, 1978.

Documentation

psaltery :: [Rational]

Three interlocking harmonic series on 1:5:3, by Larry Polansky in "Psaltery".

import qualified Music.Theory.Tuning.Scala as T
let fn = "/home/rohan/opt/scala/scl/polansky_ps.scl"
s <- T.load fn
T.scale_pitch_representations s == (0,50)
1 : Data.Either.rights (T.scale_pitches s) == psaltery

psaltery_o :: [Rational]

fold_ratio_to_octave of psaltery.

length psaltery == 51 && length psaltery_o == 21
psaltery_o == [1,65/64,33/32,17/16,35/32,9/8,75/64,39/32
              ,5/4,21/16,85/64,11/8,45/32
              ,3/2,25/16,51/32,13/8,27/16,55/32,7/4,15/8]