what is piano tuning?

What exactly happens during a piano tuning? Joel Trieger of Westchester Piano Service has been tuning pianos since 1983. Here he walks you through a simplified explanation of all the steps involved in basic piano service. This film is intended as a general overview for the piano owner, not for the do-it-yourselfer. (Don’t try this at home.) Important items NOT discussed: beat rates, temperaments, techniques for handling the piano tuning hammer, perfect pitch, relative pitch, standard pitch,voic