Oh that is amazing!
Overheard in the Avery Fisher Elevator
PAOLO BORDIGNON, Philharmonic Harpsichordist: Hmm, is that a B flat? (Hurriedly digs around for his iPhone and pulls up “Virtuoso,” a virtual piano app, just in time for the next ding.) Nope, it’s an A. Ok, now I’m all set for the day!