Barenboim’s masterclass on Beethoven

In this masterclass in Chicago, January 2005,
Lang Lang played Beethoven Op. 57, 1st mvt.
and Jonathan Biss played Beethoven Op. 109, 3rd mvt.

PS on January 29, 2007: These video posted on YouTube have been removed by the copyright owner. In February 2007, EMI Classics will release a set of DVDs titled 'Barenboim on Beethoven'. A bonus included is six masterclasses in which six pianists, each played a sonata movement by Beethoven, were coached by him.