09:00Desert Island DiscsSir Martin SorrellBBC Radio 4 Duration: 45 minutes Fri 9th Dec 2011, 09:00 on BBC Radio 4 FMAvailable for over a yearListen nowKirsty Young's latest castaway is businessman Sir Martin Sorrell. Show more ContributorsPresenter:Kirsty YoungInterviewed Guest:Martin SorrellGenresFactualLife StoriesFormatsDiscussion & TalkBrandDesert Island Discs Source: BBC Online