Conversation so far:
Who is Belinda Carlisle?
Belinda Carlisle is an American singer, musician, and author.
What was Belinda Carlisle famous for?
She gained worldwide fame as the lead singer of the Go-Go's, and went on to have a prolific career as a solo artist.

Question: What was the Go-Go's most major accomplishment?
Self-contained rewrite: What was the Go-Go's most major accomplishment?