Sawhney scores Hitchcock film as part of Cultural Olympiad

As part of the Cultural Olympiad the British Film Institute is screening a retrospective of the works of director Alfred Hitchcock.

The 1926 silent film 'The Lodger' has been restored by the BFI National Archive and will be re-released on 8 August with a score by Nitin Sawhney.

The composer has been talking to the BBC about the challenge of working on music for the master of suspense.