 Michael, the choreographer/artistic director, is partly based on  Jerome Robbins (qv). James Mitchell (I) (qv) was the principal  male dancer in Robbins musical "Billion Dollar Baby" (1945) and  participated in his American Theatre Laboratory in the late 1960s;  later, while performing with American Ballet Theatre, he partnered  executive producer Nora Kaye (qv) in Robbins ballet "Facsimile."