Roberto Alagna, Bryn Terfel, Katherine Jenkins, Russell Watson, Hayley Westenra, Lesley Garrett, Aled Jones, All Angels, Vittorio Grigolo, Jonathan Ansell, Will Martin, RyanDan, Blake, Elin Manahan Thomas, Tommy Flemming, Nicky Spence, The Ten Tenors, Deborah & Danielle de Niese