Regicide
brutal death metal, gothic metal, metal, symphonic metal
Regurgitate
death metal, goregrind, grindcore
Rei Harakami
ambient, chillout, electronic, electronica
Reign Supreme
hardcore punk, metal, straight edge
Reigning Sound
garage rock, indie rock, rock
Reimu
dance, progressive house, progressive trance, trance
Rein Sanction
alternative rock, grunge, noise rock, rock
Reingold
heavy metal, progressive metal, progressive rock
Reinhard Mey
chanson, singer-songwriter
ReinXeed
christian metal, metal, power metal, symphonic metal
Rejected Kids
melodic hardcore, punk rock, skate punk
Rekevin
chillout, downtempo, trip-hop
Relatively Clean Rivers
country rock, psychedelic rock, folk
Relativity
celtic, grindcore, metal, folk
Relient K
christian rock, pop punk, rock
reload
ambient, electronic, electronica, idm, techno
Reluctant Hero
alternative rock, pop, rock
REM
alternative rock, classic rock, rock