sentences: "In 1963, American Bandstand signed Clanton to Dick Clark's Caravan of Stars national U.S. tour which was scheduled to perform its 15th show on the night of November 22, 1963, at the Memorial Auditorium in Dallas, Texas, until suddenly the Friday-evening event had to be canceled moments after U.S. President John F. Kennedy was assassinated that afternoon while touring Dallas in an open-car caravan.