Sing Street is a 2016 Irish film directed by John Carney. The leading roles are played by Ferdia Walsh-Peelo, Lucy Boynton, Jack Reynor, Maria Doyle Kennedy, and Aidan Gillen. It is a warm musical story about a teenager who starts a band to impress a girl and find his own voice.. Sing Street is a 2016 Irish film directed by John Carney. The leading roles are played by Ferdia Walsh-Peelo, Lucy Boynton, Jack Reynor, Maria Doyle Kennedy, and Aidan Gillen. It is a warm musical story about a teenager who starts a band to impress a girl and find his own voice.