Antonio Pappano, chief conductor, Prague Spring Festival

Antonio Pappano, chief conductor, Prague Spring Festival

Chief conductor Sir Antonio Pappano attends the press conference prior to Concert by Orchestra dell'Accademia Nazionale di Santa cecilia Roma during the Prague Spring International Music Festival in Prague, Czech Republic, May 17, 2019. (CTK Photo/Katerina Sulova)

Antonio Pappano, chief conductor, Prague Spring Festival

Antonio Pappano, chief conductor, Prague Spring Festival

Chief conductor Sir Antonio Pappano attends the press conference prior to Concert by Orchestra dell'Accademia Nazionale di Santa cecilia Roma during the Prague Spring International Music Festival in Prague, Czech Republic, May 17, 2019. (CTK Photo/Katerina Sulova)

Antonio Pappano, chief conductor, Prague Spring Festival

Antonio Pappano, chief conductor, Prague Spring Festival

Chief conductor Sir Antonio Pappano attends the press conference prior to Concert by Orchestra dell'Accademia Nazionale di Santa cecilia Roma during the Prague Spring International Music Festival in Prague, Czech Republic, May 17, 2019. (CTK Photo/Katerina Sulova)

Antonio Pappano, chief conductor, Prague Spring Festival

Antonio Pappano, chief conductor, Prague Spring Festival

Chief conductor Sir Antonio Pappano attends the press conference prior to Concert by Orchestra dell'Accademia Nazionale di Santa cecilia Roma during the Prague Spring International Music Festival in Prague, Czech Republic, May 17, 2019. (CTK Photo/Katerina Sulova)

Antonio Pappano, chief conductor, Prague Spring Festival

Antonio Pappano, chief conductor, Prague Spring Festival

Chief conductor Sir Antonio Pappano attends the press conference prior to Concert by Orchestra dell'Accademia Nazionale di Santa cecilia Roma during the Prague Spring International Music Festival in Prague, Czech Republic, May 17, 2019. (CTK Photo/Katerina Sulova)

Antonio Pappano, chief conductor, Prague Spring Festival

Antonio Pappano, chief conductor, Prague Spring Festival

Chief conductor Sir Antonio Pappano attends the press conference prior to Concert by Orchestra dell'Accademia Nazionale di Santa cecilia Roma during the Prague Spring International Music Festival in Prague, Czech Republic, May 17, 2019. (CTK Photo/Katerina Sulova)

Antonio Pappano, chief conductor, Prague Spring Festival

Antonio Pappano, chief conductor, Prague Spring Festival

Chief conductor Sir Antonio Pappano attends the press conference prior to Concert by Orchestra dell'Accademia Nazionale di Santa cecilia Roma during the Prague Spring International Music Festival in Prague, Czech Republic, May 17, 2019. (CTK Photo/Katerina Sulova)