Question: What musician performed on the album Witchkrieg and is also a member of Slayer?
Sentence (from "Witchkrieg"): "Witchkrieg" showcases an impressive line-up of guest musicians such as Andy LaRocque from King Diamond, Kerry King from the thrash band Slayer, Hank Shermann of Mercyful Fate, Lee Altus and Gary Holt from Exodus and Jim Durkin from Dark Angel.
Relevant evidence: Yes