- 2Rare
- 2raumwohnung
- 2raumwohnung & Moguai
- 2RawR4U
- 2rbina 2rista
- 2Ru3
- 2SCOOPS
- 2Scratch (rap trap)
- 2Scratch & TAOG
- 2Seiten
- 2Shot (Rapper)
- 2Spee Gonzales
- 2Steel Girls (mother/daughter Country Music duo)
- 2sty
- 2sweet (house; has song "Bomba Latina")
- 2TH (French rapper)
- 2Ton (Kosovarish Senger)
- 2U4U
- 2WEI (film composer duo)
- 2WICE (California rapper T. Reed)
- 2winz²
- 2wo Third3
- 2XL (American hip-hop group)
- 2XL feat. Na'shay
- 2XM (electronic music duo Benjamin & Liam Murray)
- 2xxx!
- 2YOON
- 2zer (French rapper)
- 3 (Keith Emerson, Carl Palmer, Robert Berry)
- 3 (US progressive rock band)
- 3 + 2 (From Spain)
- 3 Busserulls
- 3 Colonias, Die
- 3 Colours Red
- 3 Daft Monkeys
- 3 Days of Silence
- 3 de Copas (Mexican band)
- 3 Deep (00s rap, Lil Phat, Shell & Mouse, key track "Watch My Shoes")
- 3 Doors Down
- 3 Doors Down feat. Seger, Bob
- 3 Feet Smaller
- 3 Fox Drive (acoustic bluegrass group)
- 3 Fromages, Les
- 3 Gars su’l Sofa
- 3 Hürel
- 3 Inches of Blood
- 3 Kings, The
- 3 lb. Thrill
- 3 Men & A Melody (Barbershop Quartet)
- 3 Ménestrels, Les
- 3 Meter Peter
- 3 Mice
- 3 minutes sur mer
- 3 na Bossa (original formation)
- 3 na Bossa (second formation by DeckDisc)
- 3 Na Massa
- 3 Na Massa
- 3 Na Massa feat. Céu
- 3 Na Massa feat. de Freitas, Thalma
- 3 Na Massa feat. Pitty
- 3 of a Kind
- 3 of Hearts
- 3 Of Life (Psytrance)
- 3 on the Bund
- 3 One Oh
- 3 Palavrinhas (Braziliam Christian Music for Kids)
- 3 Paraguayos, Los
- 3 Pesos
- 3 Pesos feat. Bimbo
- 3 Phase
- 3 Phase feat. Motte, Dr.
- 3 Pill Morning
- 3 Point Landing
- 3 Quarters Dead
- 3 Steps Ahead (Peter-Paul Pigmans)
- 3 Sud Est (Romanian dance music group)
- 3 Travellers, Die
- 3 Wheeler Band
- 3 Winans Brothers
- 3 Years Hollow
- 3-11 Porter
- 3-2 Get Funky
- 3-D (Ralph D'Agostino, Tommy Musto & Tommy Sozzi)
- 3-O-Matic
- 3-Way Playaz
- 3. Generation, Die
- 3.2 (progressive rock project)
- 3*D (house artist, released Georgy Porgy)
- 3+2 (hungarian band)
- 30 Amp Fuse