Festival events

7:30 p.m. today: The organist gives a concert of classical greats. Knowles Memorial Chapel at Rollins College, 1000 Holt Ave., Winter Park. $25.

11 a.m.-4 p.m. Saturday: Raise a glass to the 81st Bach Festival at the debut of the 2016 Brandenburger Bock, a limited-edition craft beer brewed for the festival. The celebration includes a performance by members of the Bach Festival Choir and Orchestra — including selections from Bach’s Brandenburg Concertos. At Cask & Larder, 565 W. Fairbanks Ave., Winter Park. Free.

7:30 p.m. Feb. 19-20: Cowan and the Kalichstein-Laredo-Robinson Trio join the festival orchestra for a program that includes Tomaso Albinoni’s Adagio for Organ in G Minor; Francis Poulenc’s Concerto for Organ, Strings and Timpani in G Minor; and Beethoven’s Triple Concerto. At Knowles Memorial Chapel. $25-$60.

11 a.m. Feb. 21: Hear the music of J.S. Bach during the service, performed by students from Rollins’ Department of Music. At Knowles Memorial Chapel. Free.

3 p.m. Feb. 21: The spouses perform works by Mozart, Zoltan Kodaly, Erwin Schulhoff and Ohann Halvorsen for violin and cello. At Tiedtke Concert Hall at Rollins College. $35-$50.

3 p.m. Feb. 24: In this informal gathering, featuring tea and scones, learn more about the soprano as she discusses and performs work favorites from her repertoire. At the Alfond Inn, 300 E. New England Ave., Winter Park. $12.50.

6:30 p.m. Feb. 25: Watch Sinclair work with the choir and orchestra in this open rehearsal for Saturday’s performance of “Stabat Mater.” At Knowles Memorial Chapel. Free.

7:30 p.m. Feb. 27: Rossini turned his operatic prowess toward religious devotion in this masterwork that pays tribute to the sorrows of Christ’s mother, Mary. At Knowles Memorial Chapel. $25-$60.

3 p.m. Feb. 28: Bach work uses double chorus and double orchestra to recount the biblical story of Jesus’ last days. At Knowles Memorial Chapel. Sold out.