- JJ
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- Jac & Harri
- Jac & Harri and Collis, Amanda
- Jaca (portuguese artist)
- Jacarelvis
- Jacaszek (Polish electroacoustic musician)
- Jacco (Swedish Rapper)
- Jace (Atlanta rapper, member of Retro Sushi & Two-9)
- JACE (German rapper)
- Jace! (Fort Worth rapper, formerly Iayze)
- Jace! (Fort Worth rapper)
- Jace! & Summrs
- Jace! feat. Leesta
- Jace! feat. Mixed Matches
- Jace! feat. Summrs
- Jaceo
- Jach'a Malku
- Jacidorex (Belgian techno producer, aka 'J. Rex')
- Jacinta (Portuguese jazz singer)
- Jacintha (Singaporean jazz singer)
- Jacinthe
- Jacinto Silva
- Jacinto, Ramon (Filipino musician)
- Jack (Welsh band)
- Jack & Jack (Hip-Hop Duo Jack Gilinsky & Jack Johnson)
- Jack & Tim
- Jack + Eliza
- Jack and Giants, The
- Jack and the Weatherman (acoustic duo)
- Jack and White
- Jack Banan
- Jack Beats
- Jack Beats feat. Mills, Jess
- Jack Beauregard
- Jack Berry (Blues / Alternative / Rock; born in Reno, Nevada)
- Jack Black Polka Band
- Jack Bruce
- Jack Carver
- Jack David (Associated with Flowerpot Records)
- Jack Daw (Swedish rock/metal band)
- Jack DeJohnette's Special Edition
- Jack Dice (Rapper and Producer from California)
- Jack Droppers & the Best Intentions
- Jack Frost (Grant McLennan and Steve Kilbey)
- Jack Frost (Doom Metal from Austria)
- Jack Grace (Australian)
- Jack Harlon & Dead Crows, The (Australian doom metal band)
- Jack Hartmann
- Jack Hawitt (British Songwriter and Producer)
- Jack Herrera
- Jack in Water
- Jack J
- Jack Jupiter
- Jack Kittel
- Jack Ladder & Dreamlanders, The
- Jack Leopards & The Dolphin Club
- Jack Lost
- Jack Mazzoni & Matrix, DJ
- Jack Newsome
- Jack Ninte (Moroccan Record Producer)
- Jack Nolan
- Jack Off Jill
- Jack Pack
- Jack Pott (Indie-Deutschpunk)
- Jack Rabbit Slim
- Jack Rua (Irish solo artist)
- Jack Slater
- Jack Snipe
- Jack Stafford Foundation, The
- Jack the Envious
- Jack the Frost
- Jack the Radio
- Jack The Robot
- Jack the Smoker
- Jack the Smoker feat. Nitro
- Jack the Stripper
- Jack The Stripper (Emily of Local News Legend project)
- Jack Ü (Skrillex & Diplo)
- Jack Ü feat. AlunaGeorge
- Jack Ü feat. Bieber, Justin
- Jack Ü feat. kai
- Jack Ü feat. Kiesza
- Jack Uzi (France / Rap)
- Jack Van Cleaf
- Jack von Crack
- Jack Wood, The (Russian garage rock)
- Jack-Z Album-$
- Jack, Lucas
- Jack, Samuel (British Singer Songwriter)
- Jack, The (French band from Bordeaux started in 2004)
- Jack.E, DJ (French DJ resident at Les Caves du Roy)