Cats on fire was formed late 2001 in Vaasa, Finland. Since 2004, the group consists of Mattias Björkas (vocals, acoustic guitar), Ville Hopponen (electric guitar), Kenneth Höglund (bass guitar) and Henry Ojala (drums). They are currently based in Turku, Finland. In 2003, CoF released a vinyl single, Solid work 2004, saw the release of another one, Happiness is Chemistry. The first proper CD release came all too late, in summer 2006.