Oficina G3
christian rock, progressive rock, rock
Oh Laura
indie rock, singer-songwriter
Oh No Oh My
indie pop, indie rock, folk
Oh Snap It's Luke!
electronic, electronica, rock, techno
Oh The Blood
melodic metalcore, metalcore, post-hardcore
Oh Wonder
chillout, electronic, indie pop
Oh, Sleeper
mathcore, metalcore, post-hardcore
Ohbijou
indie pop, singer-songwriter
Ohgr
darkwave, electronic, industrial rock
Ohio Players
disco, funk, rhythm and blues, soul
Ohm Guru
chillout, downtempo, electronic, electronica
Ohm Square
drum and bass, electronic
Oho
chillout, electronica, progressive rock, trip-hop
Oi Va Voi
chillout, electronic, trip-hop
Ojo Rojo
metal, stoner metal, stoner rock
OK Band
electronic, new wave, synthpop
