. >> robert kelley is deep into rehearsals for "proof," opening in just days at theatreworks in palo alto. >> i'm sorry, katherine. but, it's a question of priorities and work takes priority. you know that. >> he founded this company in 1970 and has seen it through boom times and bust, directing more than 100 productions. >> i think we got this down pretty well. the timing seems about right. i just want to take another look at it. >> tonight on "spark!" -- we follow in the footsteps of leaders in the local art scene, extraordinary individuals, like robert kelley who have transformed their communities through the arts. we'll try to keep up with oakland east bay symphony conductor michael morgan as he shuttles between gigs -- teaching, conducting and making music his life -- and his livelihood. >> there is an "x" factor. call it charisma, c