World in Union - All Stars Hayley Westenra, The Ten Tenors, Danielle de Niese, RyanDan, De'Borah, Bryn Terfel, Elin Manahan Thomas, Russell Watson, Lesley Garrett, Katherine Jenkins, Will Martin, All Angels, Jonathan Ansell, Blake, Vittorio Grigolo, Tommy Flemming, Nicky Spence, Roberto Alagna, and Aled Jones • 901K views