I´ve only heard to santana and mountain and those guys play different from each other but they are both awesome drummer. I have to take a look at cactus .
Butter I read your post and yes Syd Barret left Pink Floyd and David Gilmoure took his place thanks god hehe.
Important, inovative drummers: Steve Gadd, Joe Morello, for showmanship and forwarding the popular historic cause: Buddy Rich, Louie Bellson, Gene Krupa. For the love of it...all of us.
I think Thomas Lang should be on this list? Im not saying that he is well known and im not saying that he belongs on this list but who knows who Chad Sexton is?