The Castle Sisters，The Castle Singers were a trio of female doo-wop and close harmony singers. Its members, Josie, Joanie and Audrey Kossol, were born in Charleroi, Pennsylvania, but moved to New York City in the mid 1950s. They cut their first two singles for Roulette and Terrace Records. In 1956, as "The Kossol Sisters" they recorded six sides for Epic records.