The first of four informal programmes in which the controversial Canadian pianist talks and plays to Humphrey Burton. Tonight's theme: The concert hall is dead; long live recordings!

Second of four informal programmes in which the controversial Canadian pianist talks and plays to Humphrey Burton. Tonight's subject is The Interpretation of Beethoven

Third of four informal programmes in which the controversial Canadian pianist talks and plays to Humphrey Burton. Tonight's subject is Arnold Schoenberg

Last of four informal programmes in which the controversial Canadian pianist plays and talks to Humphrey Burton. Tonight's subject is Richard Strauss and predictable unpredictability.