The Cannon Valley Regional Orchestra , conducted by Paul Niemisto, will present a concert of music of the 20th Century with Donna May, Northfield soprano , on Saturday, May 12, at the Paradise Center for the Performing Arts in Faribault at 7:00 p. m. and at the Kenyon-Wanamingo School Auditorium on Sunday, May 13, at 3:00 p. m. in Kenyon.