CLASSICAL MUSIC TANGLEWOOD Christoph Eschenbach is on the podium this afternoon, conducting Mahler’s First Symphony and Haydn’s Cello Concerto No. 1, with soloist Alisa Weilerstein. Lenox. 617-266-1200, www.tanglewood.org
MARLBORO MUSIC The venerable Vermont chamber music retreat continues its 60th anniversary season with a performance this afternoon of Schubert and Schoenberg. Marlboro, Vt. 802-254-2394, www.marlboromusic.org
BOSTON LANDMARKS ORCHESTRA The free Wednesday night concerts continue at the Esplanade this summer with the orchestra under the direction of Christopher Wilkins. Boston Lyric Opera’s David Angus is the guest conductor Wednesday, leading excerpts from Verdi’s “Macbeth,’’ Tchaikovsky’s “Eugene Onegin,’’ Rossini’s “Barber of Seville,’’ and Mozart’s “Marriage of Figaro.’’ 7 p.m., Aug. 3. Hatch Shell at the Esplanade. 617-520-2200, www.landmarksorchestra.org
JEREMY EICHLER 
