- Mon Jan 12, 2015, 2:45 AM GMT
The rock band was also joined by Slash, Alice Cooper, Paul Stanley of Kiss and others to perform at the special concert in Inglewood, California to commemorate Grohl's 46th birthday.READ MORE
Way before Jack Black became famous as an actor, he was a musician. He met Kyle Gass in 1989 as they joined a theater troupe called The Actor's Gang in Los Angeles. Black was the main musician for the group and he found something in common with Gass that prompted him to form a band with him. They exchanged skills, Gass teaching Black guitar and Black teaching Gass acting.
As a duo, they first covered songs by other established artists and went nameless up to 1994. They even let the audience at a bar to decide what moniker they should use, giving them such choices as Balboa's Biblical Theater. Tenacious D did not get the most votes but the duo "forced it through". Tenacious D recorded their demos and distributed them to various labels.