We are giving five lucky contestants the chance to win a copy of the double-disc DVD, Later with... Jools Holland: The First 15 Years, which features artists like The Who, Norah Jones and of course David Gray. To win your copy, correctly answer the following question by sending an email to contests@DavidGray.com with the subject line: DVD Contest. All correct answers will be entered into a draw and the winners will be announced on Friday, May 16. 

Question: Which artist featured on this DVD also performed with David at Live Earth in 2007?
Note: This DVD is Region 2 and will only play on European Region 2 or multi-region DVD players.