I aired a performance of one of classical music's best-known works this morning: Norwegian composer . While you may be saying "Edvard who?," it is music you recognize as soon as you hear the opening few seconds. Freelance classical music critic , who has been heard on NPR's All Things Considered since 1985, weighs in on Grieg's timeless classic: http://www.wosu.org/audio/classical/2009/Griegs-Piano-Concerto.mp3