The Chamber Orchestra of the Triangle’s 3 p.m. concert Sunday in Durham’s Carolina Theatre honors the memory of N.C.-based composer, Robert Ward, with a rare outing of his Symphony No. 6, which the orchestra performed on its first CD in 1989. Conductor Lorenzo Muti also leads the preludes to Acts I & III of Verdi’s “La Traviata” and pianist Andrew Tyson joins him for Beethoven’s Piano Concerto No. 3. $20 (students free with ID). thecot.org.
• The N.C. Symphony’s concerts this weekend offer Mozart’s Piano Concerto No. 25 (Irina Zahharenkova, soloist) and Beethoven’s Symphony No. 5. Grant Llewellyn conducts. Meymandi Concert Hall, Raleigh, 8 p.m. Friday-Saturday; Memorial Hall, UNC-Chapel Hill, 7:30 p.m. Sunday. $24-$75. ncsymphony.org.
• The Raleigh Chamber Music Guild has the Quercus Quartet for its next Sights and Sounds concert at the N.C. Museum of Art. The program includes mid-twentieth century works by Jean Françaix, Karel Husa and Bohuslav Martinu. 3 p.m. Sunday. $12-$14. ncartmuseum.org.
• Duke University’s Dept. of Music offers a free concert featuring sisters Sheila Browne (viola) and Barbara Browne (piano) in works by Rebecca Clarke, George Rochberg and Joseph Jongen. Violist Jonathan Bagg joins Sheila for Frank Bridge’s “Lament.” 4 p.m. Sunday. Nelson Music Room, Duke East Campus. music.duke.edu.