Interestin’… I see innovation early on with high points in the 70’s & 80’s… Then starting in the 90’s the 4/4 kick drum crapola that never went away with very similar sounding tunes, one group could easily play another groups’ tunes then @ 2009 alot of modulated soundFX rather than musical tact…
The 1977 Space - Magic Fly quite the retro music vid>>>