Today is the 200th anniversary of the birth of Frederic Chopin. To celebrate the occasion, here's a vintage film clip
of Arthur Rubinstein playing the one Chopin piece to hear if you're hearing just one, the Nocturne in D flat major, Op. 27, No. 2:http://www.youtube.com/watch?v=kmo0H3jxGCA
(Wait, if you can, for a quiet time after dark.)