The keyboard is a musical instrument with a piano-like keyboard. The sounds are produced in the electric keyboard by means of electronic circuits. The first electric keyboard was made in 1935 by the American (Lawrence Hammond), who used electric circuits and pumps to produce and amplify sound and tones. The outer body of the electric keyboard is made It is made of plastic, wood and metal, and a very wide range of sounds can be produced by this instrument. Electric keyboards were also used extensively by rock bands in the sixties and beyond.