Jack Black is in a band.
Black is the lead vocalist of the comedic rock group Tenacious D which he formed in 1994 with friend Kyle Gass .	Tenacious D	Tenacious D (album)	Kyle Gass	Kyle Gass
Tenacious D is the first studio album by American comedy rock band Tenacious D , released on September 25 , 2001 by Epic Records .	Tenacious D	Tenacious D	Epic	Epic Records	American	United States	comedy rock	comedy rock	Epic Records	Epic Records
