American comedy rock band Tenacious D has released three studio albums, two extended play (EP), four singles, two video albums, ten music videos and 33 Live Music Archive bootleg releases.Tenacious D was formed in 1994 by lead singer Jack Black and lead guitarist Kyle Gass. The band signed to Epic Records in 2000, and released its debut studio album, Tenacious D, in September 2001. The next year the band released its first EP, D Fun Pak a companion to their first album.