The Weinstein Co. has debuted the trailer for the music comedy Begin Again [CSSYL] formerly titled Can A Song Save Your Life on the "Today" show. Mark Ruffalo [MRUFF] plays a recently fired record executive, while Keira Knightley [KKNIG] plays a recently dumped singer-songwriter. After meeting during one of her accoustic performance at a small venue, they decide to work together and record an album at various locations in New York City. Begin Again starts its run on the 4th of July.