ROCKPORT CHAMBER MUSIC FESTIVAL

Best bets at Rockport this weekend are the Parker Quartet (June 15) and Boston Musica Viva with a new music program (June 16). Shalin Liu Performance Center, 37 Main St., Rockport. 978-546-7391, www.rockportmusic.org

ASTON MAGNA

It’s a big anniversary summer for Aston Magna, celebrating its 40th season. Thursday’s performance features music by three Bachs and Villa-Lobos. With Dominique Labelle (soprano), Stephen Hammer (baroque oboe), Daniel Stepner and Nancy Wilson (violins), David Miller (viola), Loretta O’Sullivan (cello), Anne Trout (bass), and Catherine Liddell (theorbo). June 16, 6 p.m. Daniel Arts Center, Bard College at Simon’s Rock, Great Barrington. 413-528-3595, www.astonmagna.org

SUMMER INSTITUTE FOR CONTEMPORARY
PERFORMANCE PRACTICE

Stephen Drury’s new music boot camp, this year celebrating the Cage centennial, offers a week of free performances at New England Conservatory. Christian Wolff will be composer-in-residence. June 17-23. New England Conservatory, www.SICPP.org

BOSTON GUITARFEST

Eliot Fisk directs this seventh annual celebration of all things guitar, with concerts, master classes, and seminars organized around the theme of “Back to Bach.” Most events take place at either the Fenway Center or Jordan Hall. June 20-24. 617-373-4700, www.bostonguitarfest.org