[GSWarrior]

Weren't they like "sludge" rock or something?

I might be thinking of Vanilla Fudge.

[a fool in paradise]

I thought it was “Acid Rock” (wasn’t that the term before Heavy Metal when there were squealing loud and heavy guitars?.

They are still among the loudest bands I’ve ever seen and I only got to catch them in the modern era.

[a fool in paradise]

Concert poster. Be sure to use color safe all temper-CHEER...

Pink Floyd and Blue Cheer

Blue Cheer with Clifton Chenier, king of the Zydeco