Leif has background in New Wave and Punk as well as in electronic music. He played guitar and and was singers in the Swedish cult ban Unter den Linden. He started a midi studio quite early when midi and digital recording was young. In Perma F he sings, plays guitar and keyboard.
Birgitta has a background in classics choir singing. Her favorite concert was singing Mozart Requiem. In Perma F she sings and plays keyboard.