freq. ratio of the THE TRIAD:
4 5 6 (major triad)
or divide by 4: 1 5/4 3/2 2
C E G C
call first tone of scale C and assign to it a frequency of 1unit
(1 unit can be any number of Hz)
to get Hz, you could multiply by any number you like,
e.g. multiply by 60:
240Hz -> 300Hz -> 360Hz -> 480Hz
3. Construction of the Just Scale
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