A piano is a musical instrument that is classified as a keyboard, percussion, or string instrument, depending on the system of categorization used. Playing the piano is wide-spread in western music for solo performance, chamber music, and accompaniment, and is also trendy as an abet for composing and rehearsal. Materials used for pianos are strings, pin blocks, strings, plates and soundboard.Pianos also have pedals.

They are of three types:

• Damper pedal
• Soft pedal
• Sostenuto pedal

A digital piano is a modern electronic musical instrument designed to serve primarily as a substitute to a traditional piano, both in the way it feels to play as well as sound produced. Digital pianos are also premeditated to look like an acoustic piano. While digital pianos may plunge short of the genuine article in feel and sound, they nevertheless have many advantages over normal pianos:

• They are relatively inexpensive and are considerably lighter.
• They do not necessitate tuning.
• They usually manufacture several different piano timbres.
• They integrate MIDI implementation and have extra features to aid in learning and composition.
• They embrace headphone output and have a transposition feature.

When a key is struck on an acoustic instrument, digital pianos fabricate overtones that reverberate around the room creating a sound that no digital instrument can accurately capture. Today's digital pianos are so good that most listeners can not tell the difference between a "live" piano and a digital one. Add to that the fact that they are the most inexpensive of the kinds of pianos you can buy and you've got an instrument that's hard to beat. Digital piano manufacturers are getting better and better at duplicating the tone of real acoustic pianos. But no matter how well the piano sound is sampled, it will always sound digital. The acoustic sound is far superior to that of a digital piano. Due to portability, economical and MIDI capabilities piano and keyboard players choose digital pianos over their acoustic counterparts.

Advantages of digital pianos:

• Built-in rhythm accompaniments
• Ability to record your performance