Piano meaning:
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 36 black keys) and a metal chord board. The Italian Bartolomeo Cristofori (1655-1731) invented the piano in 1709.
The range of the piano ranges from A0(27.5Hz) to C8(4 186Hz), covering almost all the musical tones in the music system, and it is the instrument with the widest range except the organ. Piano is widely used in solo, ensemble and accompaniment performances.