Gwyn Williams has 1 Gruntruck concert.

Gruntruck was a grunge/alternative metal band formed in 1989 in Seattle, Washington by Ben McMillan and Scott McCullum, both previously from Skin Yard. Tommy Niemeyer from The Accüsed and Tim Paul, previously of Napalm Beach and Final Warning, rounded out the initial, classic line-up. Their sound was described as grunge, and the band focused more on the metal side of the genre.