Director Sascha Paladino (left) ahead of the world premiere of his SXSW 24 Beats per Second doc, "Throw Down Your Heart" Sunday afternoon at a party hosted by VH1 in Austin. The film follows his multiple Grammy Award-winning brother, Bela Fleck (right) who travels to Africa to seek the roots of his great passion -- the banjo. Fleck explores the musical traditions in Uganda, Tanzania, Gambia and Mali, while, according to the SXSW catalog, "seeking a role for his banjo within African music..."