Jascha Heifetz? Arthur Rubinstein? Generic Maestro?
Dear Quote Investigator: How old is that classic joke about one of New York City’s landmark venues?
How do you get to Carnegie Hall? Practice, practice, practice.
Quote Investigator: Tracing jokes can be difficult because they can be told in so many ways. Etymologist Barry Popik is one of the most skilled practitioners of word and phrase tracing in the world, and he shares his results at the Big Apple website.
Popik has a web page about this quip that includes its earliest known appearance.