Conversation so far:
In what year did Ertegun get Ahmet Ertegun's start?
In 1946 Ertegun became friends with Herb Abramson, a dental student and A&R man for National Records, and they decided to start a new independent record label.
What record label did they start?
Financed by family dentist Dr.
Vahdi Sabit, they formed Atlantic Records in September 1947 in New York City.

Question: Who was their first big artist?
Self-contained rewrite: Who was Atlantic Records first big artist?