Conversation so far:
How did Macy Gray start her musical career ?
While studying at USC, Macy Gray wrote songs for a friend, and when the vocalist failed to appear to record a demo, Macy Gray sang the songs herself
What is the name of the friend who asked Macy Gray to be part of his band ?

Question: Where did she meet her friend who asked her to be in his band ?
Self-contained rewrite: Where did Macy Gray meet her friend who asked her to be in his band ?