Music 5. John Cage: typescript of Mottram 1972 interview with John Cage, with numerous manuscript corrections; photocopy typescript of a different version of the same interview; copy of magazine Spanner 1 (1974) publishing the second version of the interview above; Mottram typescript notes for the Cage interview, opening 'Silence -1961-a sound...'; typescript essay headed 'Silence'; manuscript and typescript essay headed 'John Cage: Silence and after'; note on John Cage, headed 'for The Independent', kept with Cage's obituary in The Independent, 14 Aug 1992; Mottram manuscript and typescript notes on Cage and his work and on secondary sources; copy of article 'Milton Babbitt and John Cage' by Eric Salzman from Stereo Review (no publications details); information folder titled Cage at 70, produced for the Almeida Festival, London, 1982; John Cage: etchings 1978-1982 (Point Press, Oakland, California, 1982); unsourced photocopy catalogue of Cage's work; programme for concert by John Cage and David Tudor, Royal Albert Hall, London, 22 May 1972; photocopy of article 'John Cage & Morton Feldman' from Circuit 4 (1967)