A piano is a logical instrument on which to begin exploring the nature of sound. This is one of the very popular instruments which are almost known by everybody.

A piano is composed of black and white keyboards. Once you touch the keyboard, the felt hammer strikes the string. Strings can be seen inside the piano, there are thick and thin strings. The longer and thicker the string is the lower the sound. The shorter and thinner the string is, the higher the sound.

Upright Piano is the ordinary piano that we see in some homes.

Grand Piano is the piano used during the recitals and concerts.

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