Violinist Anne-Sophie Mutter draws connections between Tchaikovsky's Violin Concerto and Takemitsu's Nostalghia, Boston Symphony Music Director Andris Nelsons previews Shostakovich's Symphony No. 6 with WCRB's Brian McCreath, and Handel and Haydn Society Concertmaster Aisslinn Nosky talks with WCRB's Alan McLellan about leading the ensemble and the challenges of Vivaldi and other Italian Baroque masters.