Pianist Maria João Pires horrified, frozen, as the orchestra begins a Mozart concerto other than the Mozart concerto she prepared.

Watch her dismay, and watch the conductor, Riccardo Chailly, push her to go ahead and play the concerto she didn't expect to be playing that night. Watch her regain her composure and play.



And if you're in the mood for more emotion and music, here's a baby listening to her mother sing and displaying an unearthly profundity of response: