It's important for me to mention here that these are my stories from my memory and point of view. Others involved may remember them differently, which can sometimes be the case.
(I will be adding more soon and hopefully those of others.)

The Beatles

Terry McVay and the Animals

Peter Frampton

Ozark Mountain Daredevils

Bob Dylan

Timothy Leary

Devo

Last Night at Sandstone

Bonnie Raitt

The Police

Neil Young

James Taylor

Michael Jackson

Pink Floyd

Kansas

Prince

Rickie Lee Jones

The Grateful Dead

and many more.