By “important” I mean that it didn’t just become hugely popular, but it also changed a music genre or launched an entirely new one, or otherwise made a huge impact on music in general.
By “important” I mean that it didn’t just become hugely popular, but it also changed a music genre or launched an entirely new one, or otherwise made a huge impact on music in general.
From what I’ve heard, progressive rock threw away the influence of black musicians that was there in blues and rock’n’roll, and continued in the European and ‘academic’/art music tradition instead.
I’m not versed in music theory anywhere near enough to tell if this is really true, though.