A concert, “Mezzos in the Afternoon,” will take place at First Unitarian Church of Chicago, 5650 S. Woodlawn Ave., at 3 p.m. on Sunday, April 14. Mezzo sopranos Amanda Thomas, the church’s acting music director, and Andrea Caruso, who sings at St. Alphonsus Catholic Church in the Lakeview neighborhood, will perform music by Aaron Copland and Johannes Brahms and will be accompanied by the music director of Tinley Park’s Sacred Heart Church, James Grzadzinski. Donations for the church’s music program will be accepted and a reception will follow the concert. For more information call 773-324-4100, exts. 10 or 14.