Jascha Heifetz wrote a minor hit for Bing Crosby, and played on Crosby's recording.

NPR: Christopher O'Riley: Transcribing the Pop World

"I insisted that my musicians were to be treated with the same respect as Leonard Bernstein or Jascha Heifetz because they were just as good, both as men and musicians, " Granz said.

WSJ: The Forgotten Man of Jazz | Sightings by Terry Teachout

In fact, by the 1960s Los Angeles had played host, however fleetingly, to a huge variety of authors, musicians and artists, among them Bertolt Brecht, Joan Didion, Jascha Heifetz, David Hockney, Huxley himself, Christopher Isherwood, Thomas Mann, Robert Motherwell, Nathanael West, Artur Rubinstein, Arnold Schoenberg and Igor Stravinsky.

ECONOMIST: Obituary