Searxng/Power Ballad movie movie Movie John Carney, director of Once and Sing Street, returns with Power Ballad, a new film exploring musicians, second chances, and the healing power of song. April 24, 2026 AceShowbiz - John Carney, the filmmaker renowned for his music-centered movies such as Once and Sing Street, is returning to theaters with his latest project, Power Ballad. Known for exploring the lives and struggles of musicians, Carney continues his unique cinematic approach by focusing on characters shaped by their relationship to music.