St. Louis Symphony formed IN UNISON Chorus for a 1994 concert meant to help bridge the black church and the overwhelmingly white world of classical music. Twenty-five years later, the chorus is still singing. Each season it plays two concerts at Powell Hall with the orchestra, plus one a cappella performance and occasional guest appearances, like at the annual season-opening concert at Forest Park.
The chorus specializes in music by African-Americans, from 19th-century spirituals arranged for 120-voice chorus to contemporary gospel and pieces by black composers. The melding of black-American and European classical styles is heard vividly in the finale of the chorus’s February concert, the pathbreaking “Gospel Mass” by IN UNISON’s founding director, Robert Ray.