Roskilde Festival 2004

Roskilde Festivalen blev i 2004 afholdt fra den 27. juni til den 4. juli. 
Festivalen i 2004 bliver husket som en af de mest mudrede nogensinde. Desuden aflyste hovednavnet David Bowie, fordi han havde gennemgået en akut hjerteoperation .

Musikgrupper 
 !!! (US) 
 Afel Bocoum (MALI) 	
 Alias, Anticon Presents (US)	
 Amber (DK) 
 Amparanoia (E)	
 Audio Bullys (UK)
 Avril Lavigne (CAN) 
 Baba Zula (TUR)
 Bajofondo Tangoclub (ARG)	
 Basement Jaxx (UK) 	
 Beenie Man (JAM)
 Ben Harper & The Innocent Criminals (US)
 Bergman Rock (S)
 Bermuda Triangle (N) 
 Billy Talent (US) 
 Blackalicious (US) 	
 Blonde Redhead (US)
 Blue Foundation (DK/UK/JAP)
 Boom Bip (US)
 Broken Social Scene (CAN)
 The Bug (UK) 	
 Bugge Wesseltoft (N) 
 Cheikh Lô (SEN)
 Chords (S) 	
 Cloroform (N) 	
 DJ Danger Mouse (US)
 David Bowie (UK) (Aflyst)
 Definite (N) 	
 Diaz (N) 	
 Diefenbach (DK)
 Dizzee Rascal (UK) 	
 Dosh (US)	
 Dropkick Murphys (US)
 Duoud (ALG/F) 	
 Ekkehard Ehlers (D) 	
 Electrelane (UK)	
 Epo-555 (DK) 
 Fatboy Slim (UK) 	
 Favelachic (DK) 
 Fermin Muguruza Kontrabanda (E) 
 The Fiery Furnaces (US)
 Floris (NL)	
 Franz Ferdinand (UK)
 F.U.K.T. (DK)
 Geeza (DK)
 Gisli (DK) 
 Gnawa Diffusion (MAR/F/ALG) 	
 Go Home Productions (UK) 	
 Graham Coxon (UK) 	
 Habib Koite (MALI)	
 Hasna el Becharia (ALG) 
 Hatebreed (US) 
 The Hells (US) 
 Herencia (VEN) 	
 The Hives (S)	
 I Am Kloot (UK) 
 Iggy & The Stooges (US) 	
 Ill Nino (US) 
 Infusion (AUS) 
 Instinkt (DK) 	
 Jaipur Kawa Brass Band (IND)	
 Jamie Lidell (UK) 	
 Jesse Sykes (US) 	
 Jokeren (DK)	
 Jomi Massage (DK) 	
 Joss Stone (UK) 	
 Karl Bartos (D) 	
 Kings of Leon (US) 
 Kira & The Kindred Spirits (DK)	
 KoRn (US)
 DJ Krush (JAP)
 Laakso (S) 
 Lady Saw (JAM) 	
 Laidback Luke (NL) 	
 Lali Puna (D)
 LFO (UK) 	
 LifeSavas (US) 
 Louie Vega and his Elements of Life (US) 
 Love Shop (DK)	
 Luke Vibert (L)	
 Lupus (DK)	
 Lyrics Born (US)
 Mapstation (D)
 Martin Ryum (DK) 	
 The Matthew Herbert Big Band (US)
 Meshuggah (S) 
 Mevadio (DK)
 Michael Franti & Spearhead (US) 	
 Mnemic (DK)	
 Money Your Love (DK) 	
 Morbid Angel (US) 
 Morrissey (UK)
 The Movement (DK) 	
 Murcof (MEX) 	
 Muse (musikgruppe) (UK) 	
 Mustasch (S)
 Nephew (DK) 	
 N*E*R*D (US)	
 Niarn (DK)	
 Noxagt (N) 
 Numb (JAP) 
 Otto (BRA) 	
 Oumou Sangare (MALI) 
 Ozy (DK/ISL) 
 Passage (US) 
 Petrona Martinez (COL) 	
 Pixel (DK) 	
 Pixies (US)	
 Pluramon feat. Julee Cruise (D/US) 	
 Powersolo (DK) 
 Prince Po(etry) (US) 
 Promoe (S) 	
 Puppetmastaz (D)
 The Quantic Soul Orchestra (UK) 	
 Raised Fist (S)	
 Ralph Myers and the Jack Herren Band (N) 	
 Redrama (FIN) 	
 The Renegades of the Game Boxen (A/S) 	
 Rent Mel (DK) 	
 Restiform Bodies (US) 	
 Ricochets (N)
 The Royal Danish Opera (DK) 	
 DJ S.W. (NL) 	
 Sage Francis (US)	
 Sahara Hotnights (S)
 Sami Koivikko (FIN)	
 Santana (US)	
 Savath & Savalas + Prefuse 73 (US/E) 	
 Saybia (DK)	
 Scissor Sisters (UK) 	
 Scratch Perverts (UK) 	
 The Shins (US) 	
 Silver (N)
 Silverio Pessoa (BRA) 	
 Simple Kid (IRL)	
 Slipknot (US) (ikke på plaketen, erstatning for David Bowie, da han aflyste)
 Slow Train (DK/UK) 	
 Sly & Robbie Taxi Gang feat. Bunny Rugs (JAM) 
 Soilwork (S) 
 The Solution (S/US) 	
 Sportfreunde Stiller (D)
 Sutrapumo (DK) 
 Swan Lee (DK) 	
 Syntax (UK)
 DJ Talkback (DK) 	
 Tartit (MALI)
 Teitur (FO)	
 Thomas Dybdahl (N) 	
 Tiger Tunes (DK) 
 Tim Christensen (DK) 	
 Tina Dickow (DK) 
 Traening (DK)
 TV on the Radio (US) 	
 Ty (UK)	
 Under Byen (DK) 
 The Untamed (DK) 
 Vive la Fete (B) 
 The Von Bondies (US) 	
 Wibutee (N) 
 Wire (UK) 	
 Within Temptation (NL)
 Wu Tang Clan (US)
 Wynona (DK)	
 Wäldchengarten (DK)	
 Yerba Buena (CUBA) 
 Zero 7 (UK) 		
 Östermalm (S)

Noter 

2004
Musik i 2004