Question: who sang john the revelator on sons of anarchy
Answer: , Benjamin Siksou ( in his musical show Valises Blues ) , the Silencers , Cameo , Curtis Stigers , Steve Vai , Joe Grushecky , the Growl , the Sword , The Dustbowl Revival , Tom Waits ( for a 2016 tribute album to Blind Willie Johnson ) , and Gillian Welch .