I don't know but I do thinkwe should probably find out how brass instruments work. Brass instrumentslike this trumpet make sounds when the air inside themis made to vibrate. Vibrating air ...

This clip is from the series House of Sound. The drinking straw demonstration in this clip is a great way of explaining the link between the amount of air in an instrument and its pitch.

Unlike woodwind instruments with reeds, a flute is an aerophone or reedless wind instrument that produces its sound from the flow of air across an opening. History Aside from the human voice, flutes ...