Renowned pianist and conductor Daniel Barenboim's masterclasses on Beethoven's piano sonatas were recorded at Symphony Hall, Chicago. January 2005

The featured works are: the Appassionata Sonata, Op. 57; the first movement of Sonata Op. 31 No. 1 and the third movement of Sonata Op. 109.

Barenboim takes each player through their chosen sonata movement, illustrating the importance of structure and the relationships between tempo, harmony and dynamics.

Pianist and conductor Daniel Barenboim gives a masterclass on the Beethoven piano sonatas, coaching some of the world's rising piano stars who already have international careers (like Lang Lang, here at his best, David Kadouch and Jonathan Biss).