funnydie Up Next: Be Kind Rewind AUTOPLAY Up Next In: 10 Be Kind Rewind The Tutors of 826 LA The Best of Earl Jameson Scott Bigeloo: Sports Superstar Follow Jimmy Fallon and Jack Black Sing "Do They Know It's Christmas?" Get ready for the holiday season! And visit FeedTheWorld.org to donate. November 20, 2007 91k Views Jimmy FallonJack Black Jimmy Fallon Uploader Jack Black Actor Additional Credits Vocals: Jimmy Fallon and Jack BlackThe Band: Justin Stanley, Gerard Bradford and Mark Ronson. Performed in NYC. 1,667Funny656Die 90,572 Views November 20, 2007 Published Category Music Tags Jimmy Fallon Jack Black They Know Get Ready The Holiday Justin Stanley Do They Know It's Christmas Christmas holidays singing band rock Up Next Favorites 2:29 Be Kind Rewind newline07 4:31 The Tutors of 826 LA Judd Apatow Advertisement More fromJimmy Fallon "#Hashtag" with Jimmy Fallon & Justin Timberlake Jimmy Fallon 3:58 Jimmy Fallon Live - Troll Doll Impressions Jimmy Fallon