Clap Your Hands Say Yeah (often abbreviated CYHSY) is the musical project of American indie rock musician Alec Ounsworth. The group was founded in 2004 and is based in Philadelphia, Pennsylvania, and Brooklyn, New York. Until 2014, the project operated as a band with drummer Sean Greenhalgh being a member for its entirety. Keyboardist/guitarist Robbie Guertin and brothers Lee ( ... Show More