R.I.P.

Sonni was best known as "the other guitarist" on the band's Brothers in Arms tour.

Barker also had a memorable feud with Happy Gilmore.

His other '60s hits included "My Boyfriend's Back" and "Hang on Sloopy."

"A genuinely funny, gifted man, whom I was honored to know and share a stage with," David Coverdale said of ex-bandmate.

Industry legend was called the "Godfather of Black Music."

Co-founder of the Band also had a successful career in film scoring.

Artist created images for the band's only album plus singles like "Anarchy in the U.K." and "God Save the Queen."

He joined just in time to contribute to their huge hit, "Lola."

Actor battled cancer privately for years.

He appeared on the group's first five albums, singing lead on the smash hit "Take It to the Limit."