... What eg Gentle Giant in some way distinguished in the 70s: complex (tw getting used to) compositions including VERY varied parts, outstanding instrumentalists take (out of sight) away from the mainstream, audible enjoy their own music. himself too seriously and had no relevant commercial demand and success. There is the bottom line probably nothing really comparable ...
The last album is a great radio / Dub / ... album and sounds as the Red Hot Chili Peppers could have sounded if they would have been much better musicians and composers. The following album, although more mainstream but still very worth listening to - then after that it was over ...