The Allman Brothers. That was a rock band. Followed by later versions of the Atlanta Rhythm Section. Eric Clapton, and JJ Cale.
Yes.
The Who.
Van Halen.
As for real R&B: William Bell.
https://www.youtube.com/watch?v=cqML2VSXiUI
Turn the bass up and listen to that bass sax and bottom end. Not to mention the lyrics. Holy grail/Motown.
Yes!
Who?
Yes!
Who?
Them too!
Guess Who?
No........................