Leonard Bernstein lecturing on musical semantics at Harvard. From ‘The Unanswered Question’ Norton Lectures. The piece he’s playing is Beethoven Sonata No. 18 in Eb, Op. 31, No. 3, 1st mvt. Note: This is a user submitted video under “User Submitted” Category. Although the submitted content is moderated, RealityPod does not guarantee the accuracy of