olivia o'brien
brutal death metal, electronic, pop, trip-hop
Olivia the Band
pop punk, punk rock, rock
Olivier Deriviere
ambient, darkwave, soundtrack, video game music
Olivier Libaux
bossa nova, jazz, singer-songwriter
Ollie & The Nightingales
oldies, rhythm and blues, soul
Ollie Nightingale
blues, rhythm and blues, soul, soul blues
Olneyville Sound System
experimental rock, noise rock
Olympic Ayres
dance, electropop, indie pop, synthpop
Olympos Mons
heavy metal, metal, power metal
Omar
acid jazz, funk, neo soul, soul
Omar & The Howlers
blues, classic rock, rock, southern rock
