I first learned about the double diminished scale in the 1970s, inspired by pianists like Chick Corea and Herbie Hancock. At that time, I was studying a book by Nicolas Slonimsky called Thesaurus of ...
Guitar Gravitas is yet another iOS chords-and-scales app for guitar players, but this one’s worth a look because the layout is so damned useful. Unlike many other scale and chord apps, Guitar Gravitas ...