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.