. ♪ ntt's big break came at 24 when he took over for a sick boston symphony conductor mid concert.tics predicted he'd be the next leonard bernstein who was a mentor and friend. he's conducted orchestras all over the world including in london. for the last 25 years, he's been the music director of the san francisco symphony. ♪ a role he's stepping down from after this season. ♪ ntt is also a maverick, a huge fan of the godfather of soul, james brown. ♪ and a collaborator with metal band metallica. >> there were people inside of classical music who chastised me and said why are you going off to be on the road with james brown when you could be practicing and learning another symphony. >> really mike bloomberg's never been afraid of tough fights, the ones that make a true difference in people's lives. and mike's won them, which is important right this minute, because if he could beat america's biggest gun lobby, helping pass background check laws and defeat nra backed politicians across this country, beat big coal, helping shut down hundreds of polluting plants and beat big tobacco, h