KLT3855419: Orlando Furioso – opera by Vivaldi / Bridgeman Images

KLT3855425: Orlando Furioso – opera by Vivaldi / Bridgeman Images

KLT3855430: Siegfried- opera by Richard Wagner / Bridgeman Images

KLT3855438: Siegfried- opera by Richard Wagner / Bridgeman Images

KLT3855444: Siegfried- opera by Richard Wagner / Bridgeman Images

KLT3855457: Jonathan Nott at the Mozartweek, Salzburg January 2011 / Bridgeman Images

KLT3855462: Jonathan Nott at the Mozartweek, Salzburg January 2011 / Bridgeman Images

KLT3855467: Anna Netrebko portrait / Bridgeman Images

KLT3855567: Macbeth - opera by Giuseppe Verdi / Bridgeman Images

KLT3855760: Angela Denoke as Emilia Marty in The Makropulos affair / Bridgeman Images

KLT3855768: Angela Denoke as Emilia Marty in The Makropulos affair / Bridgeman Images

KEI3855783: The Raghu Dixit Project (photo) / Bridgeman Images

KEI3855786: The Raghu Dixit Project (photo) / Bridgeman Images

KEI3855789: The Raghu Dixit Project (photo) / Bridgeman Images

KEI3855790: The Raghu Dixit Project (photo) / Bridgeman Images

KEI3855799: The Raghu Dixit Project (photo) / Bridgeman Images

KLT3855830: Alfred Brendel / Bridgeman Images

KLT3855837: Dorothea Röschmann and Erwin Schrott / Bridgeman Images

KLT3855841: Baritone Tom Krause / Bridgeman Images

KLT3855843: Baritone Tom Krause / Bridgeman Images

KLT3872142: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872148: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872154: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872162: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872168: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872169: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872180: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872182: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872183: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872188: Der Rosenkavalier, opera by Richard Strauss, Salzburg 2014 / Bridgeman Images

KLT3872194: Júlia Várady at Salle Pleyel, Paris, 1998 / Bridgeman Images

KLT3872205: Il Trovatore, opera by Giuseppe Verdi, Salzburg Festival 2014 / Bridgeman Images

KLT3872206: Placido Domingo and Anna Netrebko with Alvis Hermanis and Alexander Pereira at Salzburg Festival, August 2014 (photo) / Bridgeman Images

KLT3872207: Il Trovatore, opera by Giuseppe Verdi, Salzburg Festival 2014 / Bridgeman Images

KLT3872209: Il Trovatore, opera by Giuseppe Verdi, Salzburg Festival 2014 / Bridgeman Images

KLT3872214: Il Trovatore, opera by Giuseppe Verdi, Salzburg Festival 2014 / Bridgeman Images