Acting Ralph Humphrey Acting Zappa Self (archive footage) 2020 Eat That Question: Frank Zappa in His Own Words Self (archive footage) 2016 Frank Zappa & The Mothers: Roxy: The Movie Himself 2015 Cheepnis Himself 2014 The Drummers of Frank Zappa Roundtable Discussion and Performance Self 2010 Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation Self 2007 Frank Zappa: Roxy, 1973 2007 Frank Zappa: Opopoppa Stockholm, Sweden 1973 Agent-readable