The Boston Symphony Orchestra opens its 75th anniversary season at Tanglewood next weekend, beginning with an all-Beethoven program under the baton of Christoph von Dohnanyi (pictured). July 6.
Lenox. 617-266-1200 or www.tanglewood.org
ROCKPORT CHAMBER MUSIC
Sunday at Rockport, the Trio con Brio Copenhagen offers works by Brahms, Mendelssohn, and Per Norgard. Shalin Liu PerformanceCenter, 37 Main St., Rockport. 978-546-7391, www.rockportmusic.org