BBC Music, Volume 9, Number 2: Billy the Kid, etc. Aaron Copland
The most used Key signature in this album is Fm. with major being the most reccurent mode.
Harmonic Profile BBC Music, Volume 9, Number 2: Billy the Kid, etc.
Album has 9 different key signatures, divided as follows:
(Try refreshing the page chart is incomplete)
6 songs are major (out of 12).