tribecaTwo more music documentaries have joined the lineup for next month’s Tribeca Film Festival, which kicks off with previously announced Nas rap doc Time Is Illmatic. The fest will present special screenings of Alex Gibney’s in-progress Untitled James Brown Documentary, about the legendary soul singer’s life, and Björk: Biophilia Live, a concert docu following the avant-garde musician’s eighth studio album, directed by Nick Fenton and Peter Strickland. Tribeca runs from April 16-27.