Conversation so far:
Did Jascha attend college?
CANNOTANSWER.
Did he make any professional musical releases during his career?
Heifetz made his first recordings in Russia during 1910-11.
What was Heifetz's most famous work?
He recorded the Beethoven Violin Concerto in 1940 with the NBC Symphony Orchestra conducted by Arturo Toscanini.
Did Heifetz play any other instruments?
of Heifetz playing the Mendelssohn Violin Concerto.
Did he work with other musicians?
Some notable collaborations include his 1941 recordings of piano trios by Beethoven, Schubert, and Brahms with.

Question: What type of music did he usually perform?
Self-contained rewrite: What type of music did Jascha Heifetz usually perform?