In C (Ictus, Blindman Kwartet) Terry Riley
The most used Key signatures in this album are C, Em, with major being the most reccurent mode.
Harmonic Profile In C (Ictus, Blindman Kwartet)
Album has 6 different key signatures, divided as follows:
(Try refreshing the page chart is incomplete)
7 songs are major (out of 13).