COURTESY Stu Rosner

Conductor Christoph von Dohnányi leads bass-baritone soloist Hanno Müller-Brachmann, the Boston Symphony Orchestra, and the Tanglewood Festival Chorus in Brahms's "Ein deutsches Requiem."

Yo-Yo Ma performs Dvorak's Cello Concerto in B minor with guest conductor Juanjo Mena and the Boston Symphony Orchestra.