Pianist Sonia Wheaton Dudley will perform at Northwestern State University Tuesday, Feb. 21 at 7:30 p.m. in Magale Recital Hall. The concert is part of the Louisiana Piano Series International. Tickets are $15. Students are admitted free. Dr. Francis Yang and Dr. Christine Burczyk Allen are the organizers of the Louisiana Piano Series International. Dudley will perform works by Benjamin Britten, Samuel Barber, Allan Gordon Bell, Nikolai Medtner and Sergei Rachmaninov.