Audio will be available later today. Facebook Twitter Google+ Email October 16, 199812:00 AM ET Heard on Performance Today Violinist Sarah Chang performs a Nathan Milstein arrangement of Frederic Chopin''s Nocturne No. 20 in C-sharp minor. Pianist Sandra Rivers is the accompanist. (EMI CDC 0777 7 54352 2) Facebook Twitter Google+ Email We no longer support commenting on NPR.org stories, but you can find us every day on Facebook, Twitter, email, and many other platforms. Learn more or contact us.