Critic's picks - classical music

Tonight, Berkshire Opera performs Mozart's "Marriage of Figaro" at the Colonial Theatre in Pittsfield . . . and violinist Janine Jansen appears with Boston Symphony Orchestra at Tanglewood. . . . Tomorrow, Boston Chamber Music Society continues its all-Beethoven series at the Longy School . . . tenor Philippe Castagner sings Schubert at the Monadnock Music Festival . . . and the BSO plays Prokofiev, Glinka, and Khachaturian (with pianist Jean-Yves Thibaudet). . . . And Sunday, Monadnock wraps up with music by Osvaldo Golijov . . . the violinist Pinchas Zukerman joins the BSO . . . and Brian Stokes Mitchell sings with the Pops Esplanade Orchestra.

- JEREMY EICHLER