Demon Days is the second studio album by British virtual band Gorillaz, released in May 2005. 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 the Children's Choir of San Fernandez. Albarn brought in Danger Mouse as producer.