A British songwriter (Keira Knightley) in Manhattan, at loose ends after being dumped by her longtime professional/life partner (Adam Levine), reluctantly participates in an open mic night. Her act gets caught by a scuffling, hard-drinking music producer (Mark Ruffalo), setting up a collaboration that may redeem them both. Soulful, song-filled effort from "Once" writer/director John Carney co-stars Hailee Steinfeld, Catherine Keener, James Corden. 104 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital 5.1; Subtitles: English (SDH), Spanish; "making of" featurette; music videos.