Barenboim on Beethoven, Part 4: The Appasionata
directed by Christopher Nupen, fl. 1967; composed by Ludwig van Beethoven, 1770-1827; presented by Daniel Barenboim, 1942-; produced by Allegro Films; performed by Daniel Barenboim, 1942-, in Barenboim on Beethoven (London, England: Allegro Films, 2020), 25 mins