[35] Performing edition of Beethoven’s piano concerto movement on Spotify (search on ‘Hess 15’); see also Nicholas Cook, ‘Beethoven’s uninished piano concerto: A case of double vision?’, Journal of the American Musicological Society, 42 (1989), 38–74. The performing edition was prepared in collaboration with Kelina Kwan.
[36] Feynman and Wiener: James Gleick, Genius: Richard Feynman and Modern Physics (London: Abacus, 1994), 409.
[37] Beethoven’s advice on composing: letter 1203 in Emily Anderson (ed.), The Letters of Beethoven, 3 vols (London: Macmillan, 1961). Sketching in the woods: August von Kl?ber’s account in [Alexander Wheelock] Thayer’s Life of Beethoven (Princeton: Princeton University Press, 1967), 703.