Jack Black was a musician in the group Tenacious D before he was an actor. #jackblack #tenaciousd
What became of the young JB in Pick of Destiny? #JackBlack
Why Jack Black Is One Of The Only Actors You Can't Replace
Times Jack Black Was More Metal Than You
Tenacious D: The Untold Story of Jack Black & Kyle Gass Band
Jack Black Breaks Down His Most Iconic Characters | GQ
Jack Black & James Hetfield | Chris Cornell Tribute Concert [HD]
Jack Black Impersonates The Rock
School of Rock: The big show
Jack Black Through The Years #shorts
Jack Black's Acting Tips | Late Night with Conan O’Brien
School of Rock Then and Now Part 1 #thenandnow #rockmusic #jackblack
Conan And Jack Black's Guitar Battle | CONAN on TBS
Jack Black sings Elton John's song without Lyrics | @OfficialGrahamNorton | #shorts #jackblack
Jack Black & Will Ferrell Sing at the Oscars
Jack Black Sends MESSAGE to Britney Spears After ...Baby One More Time Cover (Exclusive)
Jack Black's first day in the Band
Tenacious D - Video Games
Super Mario Bros Cast LOST Jack Black
Jack Black’s Impression of The Rock #shorts #dwaynejohnson