KLT3877089: Repons by Pierre Boulez / Bridgeman Images

KLT3877091: Martha Argerich and Daniel Barenboim / Bridgeman Images

KLT3877096: Repons by Pierre Boulez / Bridgeman Images

KLT3877099: Martha Argerich / Bridgeman Images

KLT3877109: Martha Argerich and Daniel Barenboim / Bridgeman Images

KLT3877164: Klaus Huber / Bridgeman Images

KLT3877169: Klaus Huber / Bridgeman Images

KOA3877171: Mike Carr / Bridgeman Images

KLT3877180: Klaus Huber / Bridgeman Images

KEI3877399: Volker Kutscher (photo) / Bridgeman Images

KEI3877402: Volker Kutscher (photo) / Bridgeman Images

KEI3877407: Paul Beatty (photo) / Bridgeman Images

KEI3877413: Richard Ford (photo) / Bridgeman Images

KEI3877414: Richard Ford (photo) / Bridgeman Images

KEI3877420: Susie Orbach (photo) / Bridgeman Images

KLT3871919: Pierre Boulez rehearsing 'Repons' at Ircam, 1984 / Bridgeman Images

KLT3871925: Harrison Birtwistle, Joanna McGregor and Pierre Boulez, 1993 / Bridgeman Images

KLT3871933: Micaela Carosi as Madame Butterfly, Paris Opera, January 2011 / Bridgeman Images

KLT3871934: Micaela Carosi as Madame Butterfly, Paris Opera, January 2011 / Bridgeman Images

KLT3871935: Diana Haller in 'La Cenerentola', Salzburg Festival 2014 / Bridgeman Images

KLT3871939: Micaela Carosi as Madame Butterfly, Paris Opera, January 2011 / Bridgeman Images

KLT3871946: Anaik Morel in 'Charlotte Salomon', 2014 / Bridgeman Images

KLT3871948: Maxime Pascal, Salzburg Festival 2014 / Bridgeman Images

KLT3871954: Harrison Birtwistle, 1993 / Bridgeman Images

KLT3871959: Maxime Pascal, Salzburg Festival 2014 / Bridgeman Images

KLT3871984: Conchita Wurst at the Austrian Embassy, October 2014 / Bridgeman Images

KLT3871985: Conchita Wurst at the Austrian Embassy, October 2014 / Bridgeman Images

KLT3871997: Dai Fujikura, December 2013 / Bridgeman Images

KLT3872015: Peter Weibel and Brian Eno, November 2014 / Bridgeman Images

KLT3872019: Pierre Henry, french composer, at a concert in November, 2014 (photo) / Bridgeman Images

KLT3872021: Pierre Henry, french composer, at a concert in November 2014 at ZKM museum, Karlsruhe, 2014 (photo) / Bridgeman Images

KLT3872024: Pierre Henry, french composer, at a concert in November 2014 at ZKM museum, Karlsruhe, 2014 (photo) / Bridgeman Images

KLT3872040: Peter Weibel / Bridgeman Images

KLT3872059: Michel Leiris at home in Paris, 1979 / Bridgeman Images

KLT3872074: The house of Ernest Hemingway, 2014 / Bridgeman Images

KLT3872077: AIDS memorial in Key West, Florida, 2014 / Bridgeman Images