Master and pupil are presented together, in separate performances, as maestro Hermann Scherchen leads the CBC Toronto Chamber Orchestra in a rehearsal of Bach's "The Art of the Fugue," telecast in 1966; Scherchen's former student─an eminent Czech conductor in his own right─Karel Ancerl is presented with the Toronto Symphony Orchestra, as they rehearse and perform Smetana's "The Moldau," first telecast in 1969. 115 min. Standard; Soundtrack: English mono.