What happens when four outstanding virtuoso pianists squeeze onto the same piano stool? You're about to find out courtesy of Alexander Gavrylyuk, Severin von Eckardstein, and Arthur and Lucas Jussen. This performance was recorded in Amsterdam's Royal Concertgebouw to celebrate the 25th anniversary of the Master Pianists series. The piece is Galop-marche à huit mains by Albert Lavignac. Note Alfred Brendel's bemused expression in the background...