Oxo
hi-nrg, new wave, pop, synthpop
OXY.GEN
alternative rock, electronica
Oxygen
dance, rock, trance, uplifting
Ozark Mountain Daredevils
classic rock, country, rock, southern rock
Ozric Tentacles
progressive rock, psychedelic rock, space rock
Ozzy Osbourne
classic rock, hard rock, heavy metal, metal, rock
P-Model
electronic, new wave, post-punk, technopop
P. Lion
disco, electronic, italo disco
P. Mobil
classic rock, hard rock, rock
P.J. Olsson
indie pop, indie rock, rock