Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Vail-Leavitt Music Hall is a late Nineteenth Century Theatre presently in use on the east end of Long island in Riverhead, New York. The Theatre/Music Hall was built by David F. Vail, with the help of his son George M. Vail in 1881. David was a local lumber dealer in Riverhead NY. Suffolk Counties eastern Long Island area. The Theatre/Music Hall opened on October 11, 1881, and has only occasionally served as a movie theater since its beginnings. With its almost 130-year history, The Theatre/Music Hall could hardly be more distinguished as when Thomas Edison used the theater for early experiments in sound movies in 1914.