Did Herbert von Karajan conduct at more than one major festival?
Yes
No
Only at the Salzburg Festival
It's unclear
Answer
Yes, Herbert von Karajan conducted at more than one major festival. In fact, he was the music director of the Salzburg Festival from 1956 to 1964, and he also conducted at the Bayreuth Festival, the Edinburgh Festival, and the Lucerne Festival.
Master of Harmony: Exploring the Legacy of Herbert von Karajan