<human>:  What is the history of the piano?
<bot>: The piano is believed to have been developed from the harpsichord and clavichord in the early 1700s. Over the next century, the instrument saw numerous developments and improvements, such as the implementation of piano hammers and the invention of the modern-day grand piano which was created in the late 1700s by Bartolomeo Cristofori. The piano is a popular instrument today, used in both classical and popular music.