Demon Days is the second studio album by British virtual band Gorillaz, released on 11 May 2005 in Japan and on 23 May internationally by Parlophone Records and in the United States by Virgin Records. The album features contributions from De La Soul, Neneh Cherry, Martina Topley-Bird, Roots Manuva, MF Doom, Ike Turner, Bootie Brown of the Pharcyde, Shaun Ryder, Dennis Hopper, the London Community Gospel Choir, and a children’s choir. Frontman Damon Albarn brought in Danger Mouse as producer.

Demon Days entered the UK charts at number 1 the US charts at number 6 and the Euro charts at number 1, Demon Days went six times platinum in the UK and double platinum in the US. Outperforming the band’s debut album the album has sold eight million copies worldwide. The album features the singles “Feel Good Inc.”, “DARE”, “Dirty Harry”, “Kids with Guns”, and “El Maana”. As with their debut album, the release of Demon Days and its respective live performances were both accompanied by various multimedia. These included interactive features on the Gorillaz website, a total of four animated music videos, virtual interview sessions with the band and animatics for each song. Almost all of the visuals associated with the album were designed by Gorillaz co-creator Jamie Hewlett as his design company, Zombie Flesh Eaters.

Double vinyl picture disc LP pressing. Demon Days is the second studio album by English virtual band Gorillaz. Produced by the band, Danger Mouse, Jason Cox, and James Dring, the album features contributions from de la Soul, Neneh Cherry, Martina Topley-Bird, Roots Manuva, MF Doom, Ike Turner, Bootie Brown of the Pharcyde, Shaun Ryder, and Dennis Hopper.