Conversation so far:
Who was Yanni relative to Bradley Joseph?
In 1989, Bradley Joseph recorded his first demo tape and sent it off to Greek composer Yanni, who was looking for someone to replace keyboardist John Tesh.
Did Bradley Joseph request to work with Yanni?
In 1989, Bradley Joseph recorded his first demo tape and sent it off to Greek composer Yanni, who was looking for someone to replace keyboardist John Tesh.

Question: Did Yanni like the demo?
Self-contained rewrite: Did Yanni like the Bradley Joseph's 1989 demo?