Yip Yip Yaphank

Yip Yip Yaphank is a 1918 musical revue by Irving Berlin. He wrote and produced the show during World War I, after he was drafted into the United States Army and was serving in 152nd Depot Brigade at Camp Upton in Yaphank, New York. The military revue was performed by the soldiers of Camp Upton. It moved to Broadway after a brief tryout at the camp.