We're in St James for this super special episode with journalist and writer David Hepworth of  NME, Empire, Mojo, and presenter on the BBC's Old Grey Whistle Test and also Live Aid. We're talking to him about his new book Uncommon People: The Rise and Fall of The Rock Stars. huge thanks to the Guernsey Literary Festival for bringing him over and letting us have this chat. Our guest host, filling in...