The messages and values portrayed in Sing Street change throughout the film. In the beginning, the main character Connor is bullied for wearing makeup and tries to impress a girl by joining a band. By the middle, his parents are divorcing, the band's performance is struggling, and the girl is moving away. However, by the end the band succeeds in a school performance and Connor and the girl leave for London together, providing a happy ending despite the challenges. The film's audience is likely teenagers who can relate to the themes, and adults who enjoy music and drama.