Legacy of I'm Only Sleeping

Bathory was a Swedish extreme metal band formed in Vällingby in March 1983. Frontman and sole songwriter Thomas "Quorthon" Forsberg was the sole constant member, and was at times responsible for all instruments.

Thomas Börje Forsberg, better known by the stage name Quorthon, was a Swedish musician. He was one of the founders, as well as the sole songwriter, of the band Bathory, which pioneered the black metal genre and is credited with creating the Viking metal style. A multi-instrumentalist, Quorthon wrote the music and lyrics on all of Bathory's albums and performed vocals and guitars.