9 by 7 in 4
9/7 in 4 is a piano composition that takes the just interval 9/7 (a septimal major third ) and divides it by 4 – which results in a tuning very close to 11 notes per octave but with more JI “growl” possible which is heard several times in this recording.
Compare
! E:\cakewalk\scales\9by7in4.scl
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septimal M3 in 4
4
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108.77102
217.54205
326.31307
9/7 (435.1¢)
to 11 edo
109.09091
218.18182
327.27273
436.36364
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