The Raleigh Chamber Music Guilds final concert for its Sights and Sounds series at the N.C. Museum of Arts East Building Auditorium offers Beau Chant, a North Carolina vocal duo (mezzo Shannon French and soprano Erin Matson Murdock). Accompanied by pianist Margaret Singer, the singers offer pieces by Rossini, Mendelssohn, Brahms and Liszt, as well as by six French composers. 3 p.m. Sunday. $14 (students $12). 919-821-2030 or rcmg.org.
• The Free Spirits Ensemble plays Apex Saturday afternoon in a concert at the Halle Cultural Arts Center. Works programed include John Williams’ arrangement of “Simple Gifts” played at President Obama’s inauguration and a work for saxophone and piano by Karel Husa. Details at raleighsymphony.org/chamber-series.
• The Choral Society of Durham and Duke University’s Chorale and Symphony Orchestra perform Barber’s “Prayers of Kierkegaard” and Verdi’s “Quatttro pezzi sacri.” Duke Chapel, 8 p.m. Saturday. Details at tickets.duke.edu.
• The Chapel Hill Philharmonia fills UNC-CH’s Hill Hall Auditorium Sunday afternoon with a free concert that includes a Weber overture, Elgar’s “Enigma Variations” and Tchaikovsky’s Violin Concerto, with soloist Carolyn Chang, 2014 Youth Concerto Competition winner. Details at chapelhillphilharmonia.org.