Wednesday, July 17, 7-8 p.m. – Isabelle Demers, Canadian concert organist, performs during the 19th annual Atlanta Summer Organ Festival at the Cathedral of Christ the King. The one-hour concert features works by Bach, Mendelssohn and Tchaikovsky, and concludes with a dessert reception. $15. Cathedral of Christ the King, 2699 Peachtree Rd., Atlanta, 30305. Call 404-233-2145.

Wednesday, July 24, 7:30 p.m. – Peachtree Road United Methodist Church welcomes back Olivier Latry, titular organist, from the Cathedral of Notre-Dame in Paris, and professor at the Paris Conservatory. $15. Casual dress. Concert concludes with a dessert reception. 3180 Peachtree Rd., NW, Atlanta, 30305. Visit: or call 404-266-2373.