I am playing the fourth etude by Guano Guiliani for classical guitar and he seems to take the liberty of using diminished fifths in his music. What principles did Guiliani follow in his composing-- ...
If augmented fifths and minor sixths are enharmonically equivalent why does johan fux in his book study of counterpoint allow minor sixths but not augmented fifths if they sound the same? How does one ...
If I go from F# to D# down (F#-D#) is that a diminished third or augmented second interval? I am composing in minor mode and want to know because augmented intervals are forbidden in part writing.