Oath, The
O'Connor, Sinéad
Oerding, Johannes
Ohrenfeindt
Oldfield, Mike
Oldfield, Sally
Oli P.
Omega
One More Time
Orchestral Manoeuvres in The Dark (OMD)
Orchid
Orden Ogan
Original Sin
Osbourne, Ozzy
Oscar Strauss
Osmonds, The
Outfield, The
Overkill
Owens, Tim "Ripper"