KAREL ANCERL AND HERMANN SCHERCHEN: GREAT CONDUCTORS IN REHEARSAL & PERFORMANCE Ancerl rehearses & performs Smetana’s The Moldau with the Toronto Symphony Orchestra in a 1969 telecast. From 1965 Scherchen is seen rehearsing his own orchestration of Bach’s Art of Fugue with the CBC Toronto Chamber Orch. & Kenneth Gilbert, harpsichord. Color/B&W, 115 min.