Demon Days was originally released in 2005 as the second studio album by British virtual band Gorillaz, created by Damon Albarn and Jamie Hewlett. The album was produced by Danger Mouse and included singles such as "Feel Good Inc.", "DARE" and "Dirty Harry". Gorillaz collaborated on the album with guest artists including De La Soul, Ike Turner and Shaun Ryder. Musically, Demon Days combined hip-hop, electronica, dub and pop into a conceptual whole addressing themes such as alienation and the modern world. The album received multiple Grammy nominations, and the single "Feel Good Inc." won a Grammy Award for Best Pop Collaboration with Vocals. Demon Days marked the commercial peak of Gorillaz and sold millions of copies worldwide.