Conversation so far:
What was Chicago Transit Authority?
Chicago Transit Authority is the self-titled debut album by the Chicago-based rock band Chicago Transit Authority, later known as Chicago.
What was Chicago's first success?
Chicago's self-titled album was a commercial success, rising to number four on the Billboard 200, and was certified gold by the Recording Industry Association of America in 1970.

Question: Are there any other interesting aspects about this article?
Self-contained rewrite: Are there any other interesting aspects about this article?