Listen to If You Want To Sing Out, Sing Out (Demo) online. If You Want To Sing Out, Sing Out (Demo) is an English language song and is sung by Cat Stevens. If You Want To Sing Out, Sing Out (Demo), from the album Harold And Maude (Original Motion Picture Soundtrack / Deluxe), was released in the year 2022. The duration of the song is 2:59. Download English songs online from JioSaavn.