TANGLEWOOD It promises to be a week of formidable piano-power in the Berkshires, with Ozawa Hall recitals by Nelson Freire (Wednesday) and Daniil Trifonov (Thursday), and BSO appearances by both soloists on the weekend. And Yefim Bronfman will get the weekend started with Liszt (Piano Concerto No. 2) on Friday in the Shed. Giancarlo Guerrero conducts Friday and Saturday, then passes the baton to Moritz Gnann for the Sunday program of Mozart and Mahler. Lenox. 617-266-1200, www.tanglewood.org

EMERSON STRING QUARTET The venerable Emersons return to the Cape Cod Chamber Music Festival with a program of much-admired quartets by Schubert, Shostakovich, and Tchaikovsky. Aug 4, 7:30 p.m., Congregational Church, Wellfleet. 508-247-9400, www.capecodchambermusic.org

YELLOW BARN This high-spirited Vermont festival is known for its imaginative pairing of bread-and-butter chamber masterworks with lesser known repertoire. Its final week of programs will feature no fewer than seven different chamber programs, ranging over music by composers from Brahms and Schubert to Stefano Gervasoni. Big Barn, Putney, Vt. 800-639-3819, www.yellowbarn.org JEREMY EICHLER

Jeremy Eichler can be reached at jeichler@globe.com