Question: Are Kristoffer Rygg and Stevie Ray Vaughan both producers?
Sentence (from "Kristoffer Rygg"): Kristoffer Rygg (9 September 1976), also known as Garm, Trickster G. Rex and recently God Head, is a double Spellemannprisen-nominated and double Oslo-prize winning vocalist, musician and producer known as the frontman of Ulver as well as being former producer, lyricist and singer of Arcturus.
Relevant evidence: Yes