he stayed at curtis for a 2 year conducting fellowship with music director yannick nÉzet-seguin.and now, as yannick's assistant conductor, he serves as an understudy. >> they say you never know just be ready and you kind of just laugh it off like yeah, yeah i'm, ready but it's not going to happen. >> but, last month, it did yannick got sick and kensho had just a few hours to mentally prepare. >> this is a monumental task to ask a young conductor to step in front of the philadelphia orchestra, not just any orchestra, the philadelphia orchestra. >> but kensho rose to the challenge and created a memory that will last a lifetime. >> when kensho's parents learned he'd be stepping in for yannick, they hopped in their car and hightailed it to the kimmel center, a 3 hour drive from their home in connecticut. and after the concert, they got in the car and headed right back home that's supportive parents. >> christie ileto has our next story, an olympic medaling fencer from china who just opened a club in new jersey with a mission of developing elite fencers here in the u-s. >> lei wang be