Otherwise
alternative metal, alternative rock, hard rock, post-grunge, rock
Otis Blackwell
blues, rhythm and blues, rock and roll, singer-songwriter, soul
Otis Clay
blues, oldies, rhythm and blues, soul, southern soul
Otis Gibbs
americana, bluegrass, folk
Otis Heat
blues, funk, grunge, rock
Otis Redding
blues, oldies, rhythm and blues, soul
Otis Redding & Carla Thomas
funk, rhythm and blues, soul
Otis Rush
blues, chicago blues, electric blues
Otis Spann
blues, delta blues, piano blues
Otis Taylor
blues, rock, singer-songwriter, folk
OTT
ambient, chillout, dub, electronic
Otto Knows
dance, house, progressive house
Otyg
folk metal, metal, viking metal, folk
Ou Est Le Swimming Pool
electro, electronic, synthpop
Ought
art punk, indie rock, post-punk
Our Daughter's Wedding
new wave, synthpop, technopop
Our God Weeps
dark ambient, martial industrial, neoclassical, neofolk
Our Heart's Hero
alternative rock, christian rock, rock
Our Last Night
emo, emocore, post-hardcore, screamo
