Mendelssohn Mendelssohn Audio will be available later today. Facebook Twitter Google+ Email March 17, 200512:00 AM ET We join the Emerson String Quartet in concert for the Quartet, Op. 80, by Felix Mendelssohn. 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.