Knut Magne Valle (born 5 August 1974 in Gjerstad) is a Norwegian heavy metal guitarist, songwriter, composer, recording studio owner, record producer and music arranger.

He runs Prestfoss Crusher sound and music studio, and organizes an annual festival Molla.

[1] The mayor of Gjerstad stated among other things by awarding: What primarily interests year's recipient of the Culture Prize is music genre.

The festival is entirely based on volunteer work and volunteer efforts - both from the organizers, helpers and musicians ....... festival has quickly become widely known and put Gjerstad map in music circles worldwide ......

World-renowned bands and Fiddler Award winners have been in the studio and recorded their albums.