The user can play the piano like an expert and can:

Piano past: Can play any song from the past and can any play any song that all famous composers written and played in the past.

Piano: To know all of the accidentals/Sharps/Crescendo/decrescendo/pitches/tones/

Piano Intuition: To know all the keyboards/pedals/tuning all of the piano without training.

Piano Players Manipulation and all the famous piano players that played the piano.