Watch VoirFilms. Determined to hold on to their moniker of "the Mural Kings," world-renowned artists Tats Cru produce a wall painting for Harlem's Graffiti Hall of Fame in this compelling documentary. Beginning their career as subway graffiti creators in the early 1980s, three Bronx teenagers evolved into talented muralists. Their story is told through archival clips, behind-the-scenes footage of the mural production process and interviews with the artists.