He is also known by his stage name Charmand Grimloch, and was the sole musical force in the symphonic black metal project Tartaros.
[1] He has since moved to the United States and composes music for films.
Rygg was originally a session musician for fellow Norwegian symphonic black metal band Emperor.
[2] Rygg moved to the United States and has composed music for the soundtracks to films and television series, including Center Stage 2, American Pie: The Naked Mile and Save the Last Dance 2.
[2] Rygg is now active in the songwriting community, with credits on Elephante's hit "Dynasty".