Piano (Italian: pianoforte) is a keyboard instrument in western classical music and has the reputation of "the king of musical instruments". It consists of 88 keys (52 white keys) and a metal chord board. Italian BartolomeoChristofori invented the piano in 1709.

17 17 or so, ChristophGottliebSchr? Ter) invented a new piano and showed it to the public at his home in Dresden. The hammer percussion machine on this piano is simpler than BartolomeoChristofori's piano.