O

O.C. Smith
O.M.D.
Oak Ridge Boys,The
Oakey & Moroder
Oasis
Obie Trice
Ocean
Ocean Colour Scene
Odyssey
Offspring,The
Ohio Express
Ohio Players
O’Jays,The
Ola & Janglers
Oliver
Oliver Jones
Olivia Newton-John
Olivia Newton-John & Cliff Richard
Olivia Newton-John & John Travolta
Olivia Project
Omarion
One Way
Ordinary Boys,The
Original Caste,The
Orleans,The
Osibisa
Otis Redding
O-Town
Outfield,The
Outkast
Ozark Mountain Daredevils
Ozomatli
O-Zone
Ozzy Osbourne