Shura Cherkassky
^^ I would've loved to have heard Cherkassky live. Marik, do you remember what he played?
Yes.Bach-Busoni ChaconneSchumann KreislerianaLiszt 12th RhapsodyChopin Two NocturnesChopin 4th BalladeBerg SonataStravinsky Petrushka
Peter Serkin playing the Brahms 2. Mastery. (Jon Kimura Parker's Rach3 is close second.)
I would say the best so far I have been to is Mikhail Rudy performing Rachmaninov's Piano Concerto No. 3 with Russian National Orchestra under Christian Gansch. There was about 5 minutes of applause after that.