Omar Sosa
jazz, latin jazz, smooth jazz
Omar-S
deep house, house, techno
OMD
alternative rock, electronic, new wave, synthpop
Omega
classic rock, hard rock, progressive rock, rock
Omega Lithium
gothic metal, industrial metal
Omega Massif
doom metal, post-metal, post-rock
Omen
heavy metal, metal, power metal
OMFO
electronic, electronica, folk
Omi
dance, electronic, reggae
Omni Trio
drum and bass, electronic, jungle
Omnia & Ira
dance, electronic, electronica, progressive trance, trance
Omnitica
dubstep, electro house, electronic
on
ambient, hardcore punk, straight edge
On A Dead Machine
alternative rock, progressive rock
On An On
dream pop, indie pop, shoegaze
On The Last Day
emocore, post-hardcore, screamo
On The Might of Princes
emo, post-hardcore, screamo
On the Virg
jazz fusion, progressive metal, progressive rock
On Thorns I Lay
doom metal, gothic metal, metal
OnceOver
alternative metal, alternative rock, metal, metalcore, nu metal
