A chamber music series will feature the recently restored 1811 Redstone organ at Trinity Church, 520 South Main Street. For the concert at 8 p.m. on Friday, Aug. 15, the group will perform Charles W. Cadman’s “Thunderbird” and other works. Featured performers include violinist Cristina Buciu, cellist Lindsay Groves and pianist Hilda Collins. General admission is $12, $8 for seniors and students, $5 for children under 12, and $10 advance sale. Call 781-LIVE or 1-866-355-LIVE. This event is part of the Geneva Summer Arts Festival.