Conversation so far:
when was Vangelis born?
born March 29, 1943
was Vangelis married?
Vangelis has been married twice before
what was special about Vangelis personal life?
For an artist of his stature, very little is known about Vangelis' personal life and he rarely gives official interviews to journalists.

Question: what was he interested in?
Self-contained rewrite: what was Vangelis interested in?