Now 75, Christopher Gunning has had a long and distinguished career as a composer for TV and film. Anybody who has watched the Poirot series with David Suchet as the Belgian sleuth will immediately recognise the quality of his orchestration and his ability to catch the mood. Gunning also wrote the incidental music for Pam Ferris and Felcity Kendal’s Rosemary and Thyme series and many others…..