Kristine Opolais returns to the Tanglewood Music Festival next summer, with Andris Nelsons and the Boston Symphony Orchestra. Ms. Opolais is the soprano soloist for Mahler’s Symphony No. 4 on July 9, and performs with baritone Dmitri Hvorostovsky on August 26 in a not-to-be-missed opera gala concert. Tickets and more information will be available soon via