In Search of Perfect Consonance《尋找完美第五度》is a short documentary film directed by Oscar-winning Chinese-American filmmaker Ruby Yang. It profiles the Asian Youth Orchestra (AYO) established 25 years ago to promote peace in the region. The film explores the 25-year history of AYO and its origins whilst focusing on the friendships and deep bonds created between current members to further highlight the theme of peace through music. The film premiered in Hong Kong cinemas on 17 July 2016.