meantone_fifth: Define a tempered fifth for various meantone scales
Description
Creates an interval that approximates a pure 3:2 fifth
which has been tempered smaller by some fraction of a syntonic comma,
making it easy to construct diatonic meantone scales. The default
is to create a quarter-comma meantone fifth (i.e. about 697 cents).
Usage
meantone_fifth(frac = 1/4)
Value
Single numeric value of the tempered fifth
measured in 12edo semitones.
Arguments
frac
The fraction of a syntonic comma that the fifth should
be tempered by. Defaults to 1/4. Numeric.