Conversation so far:
What made Cassie Ventura famous?
Ryan Leslie spotted Cassie Ventura at clubs and parties in late 2004.
What was Cassie Ventura doing at clubs and parties when Ryan Leslie noticed her?
Was Cassie Ventura signed to a record deal?
Ryan Leslie signed Cassie Ventura to NextSelection Lifestyle Group, his music-media company.

Question: What did Leslie write with Ventura?
Self-contained rewrite: What did Ryan Leslie write with Cassie Ventura?