sentences:  In 1963, Bentley Stone choreographed a version of "L'Inconnue" to music by Francis Poulenc for the Stone-Camryn Ballet.It premiered with a cast that included Ruth Ann Koesun  and John Kriza.That ballet was moved to the American Ballet Theatre in 1965, with Koesun and Kriza reprising their roles, and with Christine Sarry taking the role of the "River Girl".