> But it, and the piano black keys with it, are definitely not optimal. It makes playing in C easy, and playing in anything else hard.
I don't think this is true—I was under the impression that, at least on piano, keys other than C major are sometimes chosen specifically to make things easier on the fingers.
I don't think this is true—I was under the impression that, at least on piano, keys other than C major are sometimes chosen specifically to make things easier on the fingers.