How do you restore a silent film? Kevin Brownlow is in conversation with Matthew Sweet about his life's work documenting the early history of cinema and preserving many lost classics - including the culmination of a 50 year project which sees Abel Gance's 1927 epic Napoleon re-released in cinemas around the UK and on DVD. Described by Martin Scorsese as 'a giant among film historians', Brownlow received an Academy Honorary Award in 2010.As part of Southbank Centre's Film Scores Live, Carl Davis conducts the Philharmonia Orchestra in his score for Napoleon - the longest film score ever composed - alongside a screening of the new digital version of the BFI-Photoplay restoration which Kevin Brownlow has worked on. This event happens on Sunday November 6th.BBC Radio 3's Sound of Cinema broadcasts an interview with Carl Davis on Saturday October 29th.Producer: Craig Templeton Smith