His parents later divorced, with his father, the metallurgist Olav Bergersen, remaining in Australia while his mother, Ingrid Natrud, returned to Røros with her son.

He taught himself the guitar and started writing songs while living at Fastevollen; in 1983–84 he studied music at Skjeberg Folk High School in Sarpsborg.

Prior to his untimely death Per Bergersen had published a demo tape, Redrum Psychosis, in 1985, and he also contributed a song, "Duejakt", to a flexi single released by the anarchist journal Gateavisa.

Per Bergersen wrote most of his songs in Norwegian, although he also had three in English, and much of his material was very dark and sad, probably because of his own depressions and problems, having grown up with his mother until she died when he was 13.

Most of his material would also classify as pretty strong comments towards society and social structures like the song "Sachsenhausen" which have a line that directly translated means something like, "They will fire up the ovens for you or me, they don't really care who they burn".