Piano is a keyboard instrument, with the key to pull the hammer to beat the strings. Since the eighteenth century, in Europe and the United States, it has been the most important family piano keyboard instrument. Piano originated in Europe, the beginning of the eighteenth century, an Italian 克里斯多佛利 (Bartolommeo Cristofori) invention similar to modern piano keyboard type instrument. It has been 300 years of history. [1] from the historical development of keyboard instruments, the modern piano is a piano predecessor - with pizzicato pronunciation harpsichord and string to hit a small pronunciation harpsichord evolution made. From the beginning of the sixteenth century, harpsichord and clavichord two keyboard instruments gradually began to flourish until the eighteenth century, was the piano instead. [2] piano first appeared in 1709, at that time is a complex and expensive instruments, only royalty and nobility have access to the. Beginning, Johann Sebastian Bach (Johann Sebastian Bach) and some very prestigious musicians did not appreciate the piano sound. But just over half a century, piano became increasingly popular. When Mozart (Mozart), Brahms (Brahms) and liszt (Liszt) These highly creative musician piano into the arms of the instantaneous enthusiasm will be detonated. At the time of that era, these cutting-edge pianist like "rock star" in general, they have enormous influence to the music can be described as icing on the cake for the development of the piano into a powerful force. Royalty and nobility have put the piano in this instrument into their band, people can sit around the piano, listening to melodic latest creation. The rise of the industrial age spawned a new social class - the middle class, the piano very popular in this group. Where the grand piano is a symbol of social status, usually in the orchestra, and the upright piano is more popular with families.