Source : "DIVA TALK: A Chat With Phantom of the Opera and International Concert Star Sarah Brightman". Interview with Andrew Gans, www.playbill.com. April 5, 2013.
Sarah BrightmanSource : "Millennial Expert Chelsea Krost: Success, Social Media, and Unplugging". Interview with Maranda Pleasant, www.marandapleasantmedia.com.
Source : Ellen Potter (2009). “Slob”, p.18, Penguin
Source : Howard Zinn (2010). “You Can't Be Neutral on a Moving Train: A Personal History of Our Times”, p.208, Beacon Press
Andrea Bocelli
Tenor
Andrew Lloyd Webber
Composer
Celine Dion
Singer
Enya
Singer-songwriter
Jackie Evancho
Singer
Jose Carreras
Performer
Josh Groban
Singer-songwriter
Luciano Pavarotti
Performer
Michael Crawford
Actor