CNN Heroes: Tawanda Jones..Sara Bareilles

A CNN Hero's drill team dances to a Beyonce song. 'CNN Heroes: An All-Star Tribute,' airs Sunday, Dec. 1 at 8pm ET. CNN Heroes: Sara Bareilles A preview of Sara Bareilles performing "Brave" during 'CNN Heroes: An All-Star Tribute,' airing Sunday, Dec. 1 at 8pm ET