In which year was this Swedish avant-garde metal band formed, whose founding members include Johannes Bergion?
Johannes Bergion Johannes Bergion is a Swedish cellist, songwriter and backing vocalist, most known for being one of the founding members of avant-garde metal band Diablo Swing Orchestra. He also played cello in various Hellsongs albums, and in the In Flames album "Sounds of a Playground Fading".
Bloodthorn Bloodthorn is a Norwegian death metal band from Trondheim. Founded in 1992, they have gone through a number of musical developments. For example, their album "Under The Reign Of Terror" (2001) saw the band abandoning the female vocals (by Christine Hjertaas) and keyboards (by Geir Mikael Reijners) that had been so prominent on the first two albums and going back to their roots of raw, extreme metal. In 2006, Bloodthorn released their fourth album, "Genocide".