In Search of Perfect Consonance (Chinese: 尋找完美第五度) is a short documentary film directed by Oscar-winning Chinese-American filmmaker Ruby Yang. Released in 2016, the film profiles the Asian Youth Orchestra (AYO), established in 1987 to promote peace in the region. Against the backdrop of historical tensions in the region, it highlights how music serves as a unifying force, forging deep bonds between musicians despite cultural and national differences. The film premiered in Hong Kong cinemas on 17 July 2016.