www.mlfilms.com/productions/bach_project/hilary_hahn - BACH & friends - A New two-hour Documentary with Joshua Bell, Bobby McFerrin, Bรฉla Fleck, Philip Glass, Chris Thile, Hilary Hahn, Edgar Meyer, Simone Dinnerstein, Emerson String Quartet, Manuel Barrueco, Swingle Singers, Glenn Gould www.mlfilms.com/productions/bach_project/purchase