1. The piano is a keyboard instrument. A piano is a keyboard instrument with keys that pull hammers to strike strings. Since the end of the 18th century, the piano has been the most important household keyboard instrument in Europe and the United States. The piano originated in Europe. In the early 18th century, Italian Bartolomeo Christofori invented a keyboard instrument similar to a modern piano. It has a history of more than 300 years.

2. The piano (Italian: pianoforte) is a keyboard instrument in Western classical music and is known as the "King of Instruments". It consists of 88 keys (52 white keys, 36 black keys) and a metal string soundboard. Italian Bartolomeo Christofori (1655-1731) invented the piano in 1709.

3. The piano range ranges from A2 (27.5Hz) to C5 (4186Hz), covering almost all the sounds in the music system. It is the instrument with the widest range except the pipe organ. The piano is commonly used for solo, ensemble, accompaniment and other performances.

4. Origin of the name: The foreign name of piano is Piano, and its full name should be Pianoforte, which means weak and strong. Because this instrument can produce both weak and strong sounds, it has such an vivid name. Later, perhaps for the convenience of naming, people omitted the forte indicating the strong tone, and only retained the piano indicating the weak tone, which is still used today. The Chinese translation into piano is because after the Opium War, some foreign businessmen saw China's market potential and exported pianos to China in large quantities, claiming that they were pianos made of "steel", so Chinese people began to habitually call it "piano". piano".