On-Gaku: Our Sound is a 2019 Japanese adult-animated musical comedy-drama film written, directed and animated by Kenji Iwaisawa, based on the 2005 self-published manga Ongaku to Manga by Hiroyuki Oohashi. The film was produced by the studios Rock’n Roll Mountain and Tip Top, and stars the voices of Shintaro Sakamoto, Tateto Serizawa, Tomoya Maeno, Ren Komai, Naoto Takenaka and Kami Hiraiwa. The plot concerns three high school delinquents with no prior musical experience who form their own rock music band.