1 / 50
This 2015 photo released by the Dutch National Opera shows opera director and arts programmer Pierre Audi, who is wrapping up a 30-year tenure at the Dutch National Opera to take charge of the month-long Festival d'Aix-en-Provence, one of Europe's oldest and most respected summer music festivals. (Sarah Wong/Dutch National Opera via AP)

Music Slideshow

Musicians, rockers and rappers