After a two-year, $15 million renovation, Duke Universitys Baldwin Auditorium reopens with a gala concert Saturday, featuring a chamber orchestra of Department of Music faculty. The all-American program includes Aaron Coplands Appalachian Spring and Samuel Barbers Knoxville, Summer of 1915. The Barber work, usually sung by a soprano, is performed by a Duke alumnus, tenor Jason McStoots. 8 p.m. $10. 919-684-4444 or music.duke.edu.
• Sunday: Four Seasons Chamber Music Festival, based at East Carolina University, performs at Raleigh’s Fletcher Opera Theater. Piano quartets by Turina, Brahms and Dvorak. 3 p.m. $25. 919-821-2030 or rcmg.org.
• Sunday: Mallarmé Chamber Players concert – soprano Ellen Ciompi sings Kurt Weill and Alec Wilder. The Front Room at The Cookery, 1011 W. Chapel Hill St., Durham. 3 p.m. $25-$30. 919-560-2788 or mallarmemusic.org.