What has struck me from the progression of the lists above, is how music builds on one form after another. Original progressive was Iron Butterfly, Led Zepplin, Cream, etc. - anything not pop (i.e. not Frankie Valie) or Motown (although I would imagine the Prog Rock players got a lot of influence from Motown as well as Blues). From there, it branched out into experimental, alternative, fusion, country rock, etc., with many of the same players showing up in multiple genres (witness the evolution of King Krimson and the members, Yes, Genesis, and so on).
Would you consider the Grateful Dead, progressive, experimental, psychedelic, or? Was REM progressive at the time they helped mainstream alternative, or something different?
No particular point to be made, just reminiscing and being anal. Sorry for getting off the point. I feel like Mr.T.
And - Thanks for the new music to consider.
Jim S.