Placido Domingo, an opera star, received he longest standing ovation in history. In Otello, in Vienna on June 30th, 1991 it lasted for 80 minutes and 101 curtain calls.
You don’t know anymore what to do, you know? You go out, and the public is still there. And you say, ‘Well, what are we doing?’ And you come out again, and you take a little longer to come next time. And you say, ‘I hope they go.’ No, they continue. But it was a great, great experience, very thrilling.