Watch Fmovies. Maestro Jascha Heifetz, becomes Professor Heifetz in these rare filmed master classes from the early 1960s. Taken from his legendary sessions at USC, Los Angeles, this brilliant musician can be seen demonstrating, cajoling, inspiring and occasionally-terrifying his pupils as he imparts his unquestioned genius and lifetime of musical experience. Learn the secrets of intonation, phrasing and vibrato from the man whose name has become synonymous with the violin.