Beethoven Beethoven Audio will be available later today. Facebook Twitter Google+ Email April 9, 200412:00 AM ET From a concert in March at Spivey Hall near Atlanta, the Abegg Trio play the Piano Trio in D Major, Op. 70, No. 1, the "Ghost" Trio, by Beethoven. 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.