Conversation so far:
what did sarah vaughan do from 1943-44 with earl hines and billy eckstine?
Eckstine quit the Hines band in late 1943 and formed his own big band with Gillespie, leaving Hines to become the new band's musical director.

Question: how did that turn out?
Self-contained rewrite: How did Eckstine quitting the Hines band in 1943 and forming his own band with Gillespie leaving Hines to become the new band's musical director turn out?