Triosphere is a Norwegian power metal band from Trondheim, Norway.The band was formed as a trio by singer and bassist Ida Haukland, guitarist Marius Silver Bergesen, and drummer Ørjan Aare Jørgensen in 2004. After the release of their first EP Deadly Decadence the following year, they released in 2006 their debut album Onwards Shortly after the release the band was expanded from a trio to a quartet when live guitarist Tor Ole Byberg joigned as full-time member.