Hilary Hahn, Grave, Violin Sonata No. 2 - BACH & friends - Michael Lawrence Films

- BACH friends - A New two-hour Documentary with Joshua Bell, Bobby McFerrin, Béla Fleck, Philip Glass, Chris Thile, Hilary Hahn, Edgar Meyer, Simone Dinnerstein, Emerson String Quartet, Manuel Barrueco, Swingle Singers, Glenn Gould