electronic instruments [3]
Electronic instruments are designed to imitate, convert or produce sounds based on electric signals and digital data.
wind synthesizer controller 
Instrument connected to a synthesizer; it produces a continuous sound by emitting an electric signal that is converted into MIDI data.
mouthpiece 
Part into which the player blows.
keys 
Mechanisms composed of a lever and a plate; they open and close the holes when notes are played.
electronic drum pad 
Instrument that is struck with drumsticks to produce a percussive sound by emitting an electric signal that is converted into MIDI data.