When it’s really, really bad, booing is the only polite thing to do. – The Philadelphia Inquirer
(PREVIOUSLY: IVO PLAYS THE BOOS? Pianist Ivo Pogorelich played an all-time slow Rachmaninoff concerto with the Philadelphia Orchestra last week to a chorus of boos. Then he canceled his performance with the orchestra at Carnegie Hall. Just the latest in a series of unhappy incidents. – The Philadelphia Inquirer 10.20.99
AND: Enjoying the aftermath. – The Philadelphia Inquirer 10.26.99)

Source: Philadelphia Inquirer