Diminished Scale Cadences
I was watching a Barry Harris masterclass video about the diminished scale, where he was talking about groupings of four dominant chords based on their relation to the same diminished scale. I was already aware of this concept, having learned about the diminished scale and that any note of a diminished 7th chord could be lowered by a half step to create a dominant chord. What struck me is that since these four dominant chords are related, could the dominant V in a ii-V-I progression be substituted for any of its three "siblings"? How would these related cadences sound compared to the straight V? I decided to investigate.