Lynne Davis, associate professor of organ, will appear as soloist with the WSU Symphony Orchestra at 7:30 p.m. Thursday, April 9, in Wiedemann Hall. The program, which includes music by Mozart, Beethoven, Poulenc and Hanson, will be led by WSU Director of Orchestras Mark Laycock. Tickets are available at 978-3233. The concert also will be simulcast on WSU Internet Radio, http://wsuir.wichita.edu.