Conversation so far:
What was the first thing Esma did after the independence?
Esma Redzepova toured the United States the year after, performing at a series of benefit concerts.
Did her tour do well?
CANNOTANSWER.
What else did she do in her career?
she made several collaborations with young pop singers.

Question: Who were some of those dingers?
Self-contained rewrite: What were the several collaborations that Esma made with the pop singers?