- Organ– a keyboard back to the middle ages often associates with church music; sound is generated by air passing through pipes or reeds.
- Harpsichord– a keyboard popular from the late 16th through 18th centuries; sound is generated by small quills inside the instrument that pluck the strings.
- Clavichord– a small keyboard popular from late 16th through 18th centuries; sound is generated by small metal tangents that strike the strings inside the instruments.
- Piano– keyboard instrument invented early 18th century; sound is generated by hammers inside the instrument that strike the string.
- Synthesizer– a device (usually played with a keyboard) that generates and modifies sounds electronically. Robert Moog popularized the synthesizer in the 1960.
(Idiophones- sound produced from substance of instrument itself eg.bells, rattles, cymbals, xylophones)
(Membranophones- drum-types, sound produced from tightly stretched membranes eg. Drum)
(Aerophones- produced sound by using air eg. flutes, whistles, accordions, bagpipes, horns)
(Chordophones- produced sound from vibrating string stretched btw 2 points eg. violin, guitar, harp, Japanese’s koto)