Keira Knightley's Begin Again Sings A Familiar Tune With First Trailer

Visit NBCNews.com for breaking news, world news, and news about the economy What could either be a wonderful or horrifying film to double feature with the Coen brothers’ Inside Llewyn Davis, Begin Again stars Keira Knightley as Gretta, a British musician whose American dream was never realized, and Mark Ruffalo is just the ex-record executive who can change her life forever. Picture me saying that in the most life-affirming way possible, because that’s the kind of inflection this pic’s fir...