4:30-6:30 p.m. – The Heritage Winter Classic concert series welcomes “Kaleidoscope,” formerly the Michael O’Neal Chamber Singers, a 30-voice ensemble performing choral selections ranging from Gregorian chant, 20th century compositions, opera, a capella vocal jazz, and African-American spirituals. Free and open to the community. Heritage Sandy Springs, 6110 Bluestone Rd., NE, Sandy Springs, 30328. Call the venue at 404-851-9111 or go to: www.mosingers.com to learn about the group.