Performed by the Emerson String Quartet. This recording is available here: http://www.amazon.com/Dvor%C3%A1k-Tchaikovsky-Borodin-Emerson-Quartet/dp/B000001GO3 The score used for this video (heavily edited) is available here: http://hz.imslp.info/files/imglnks/usimg/9/95/IMSLP96276-PMLP28526-American_Quartet_Full_Score.pdf