3against1
alternative rock, hard rock
3OH!3
crunk, electronic, electronica, rap
3Pecados
experimental rock, indie pop, indie rock, noise rock
3rd Day Rising
christian rock, hard rock, progressive rock, rock
3rd Force
ambient, chillout, jazz, smooth jazz
3Teeth
electro-industrial, electronic, industrial metal, industrial rock
4 Out of 5 Doctors
new wave, power pop, rock
4 Strings
dance, electronic, techno, trance
40 Below Summer
alternative metal, metal, nu metal, rock
45 Grave
death rock, deathrock, horror punk
48th St. Collective
bossa nova, chillout, jazz
4Arm
groove metal, nu metal, thrash metal
4hero
chillout, downtempo, drum and bass, electronic, electronica
5 Seconds of Summer
pop, pop punk, pop rock, rock
50 Cent
gangsta rap, hip hop, rap