There are multiple artists with this name: 1. Bifrost was a progressive pagan thrash metal band from the Netherlands. The band formed in 1992. They released a demo ("Western Magick") and two albums "Pagan Reality" in 1995 and "The Wildest Fire" in 1996. After a short split-up they reformed as CONQUERED MY FEAR, recorded another demo and then morphed back to be BIFROST for a final album called "Mythistory" in 1998. They were very influenced by CELTIC FROST and SABBAT (UK). Their first two albums are still available at this website

Read more about Bifrost on Last.fm.