Galder is a Norwegian composer, guitarist, and vocalist whose birth name is Tom Rune Andersen. He is from the small town Jessheim, north of Oslo. He is a founding member of the melodic black metal band Old Man's Child as well as the lead guitarist in Dimmu Borgir. In 1993, under the stage name Grusom, he, Jardar and Tjodalv created Old Man's Child. On some Old Man's Child albums, he performed vocal work, guitars, bass, and keyboards, though with a full line-up his primary instruments guitar and keyboards, as well as vocals. He joined Dimmu Borgir in 2001 but has kept Old Man's Child alive.
Galder has also worked with other Norwegian bands like Dødheimsgard. Member of Dødheimsgard Aldrahn wrote some of the lyrics for Old Man's Child demo album In the Shades of Life.
Galder has also worked with other Norwegian bands like Dødheimsgard. Member of Dødheimsgard Aldrahn wrote some of the lyrics for Old Man's Child demo album In the Shades of Life.