ZZ Top

"He loved his fans and always remembered that without fans music is not heard."

Band is working on first studio effort since 2012's 'La Futura.'

Band returned to the stage with a performance in Tuscaloosa, Ala.

Long-tenured guitar tech has taken over bassist duties, and his facial hair fits right in.

Late bassist rocked triumphantly until the very end.

"Some people were like, 'What are you doing? You're abandoning your roots, which was not true at all."

"Give Elwood the bottom and take it to the Top," bassist told Billy Gibbons.

Longtime guitar tech has been filling in on tour with Billy Gibbons and Frank Beard.

John Fogerty, Flea, Slash, David Coverdale and others share condolences following his death at age 72.

"You will be missed greatly, amigo," his bandmates said.