Rochester Chamber Music Society presents mezzo-soprano Clara Osowski in her first Rochester performance on Saturday, October 21, 7:30 pm, at Christ United Methodist Church. Hailed for her “rich and radiant voice,” this multi-awarded Minnesota singer, together with Horacio Nuguid at the piano, will perform some of the most beautiful songs by Schubert and Brahms. Joining them is clarinetist David Townsend. There is no charge for RCMS concerts.