free103point9 and JumpArts present "Jump Over the River," the Jump Festival 7, a night of liberation music starting at 8 p.m. Oct 1 and 2nd and simultaneously microcast to the Southside of Williamsburg featuring: The David Brandt Trio, Unified Quest, Ori Kaplan Trio, Plus, Assif Tshar Group, the Rochat-felix Quintet Tune in to 103.9-FM for free from Metropolitan Ave. to S. 11th St., from the East River to the BQE. To witness in person ($5 to the musicians) reply back to free103-@hotmail.com for coordinates. For more information, visit www.jumparts.org Williamsburg listeners can tune in to 103.9-FM the rest of the weekend for more locally originated programming.