low pitched if it isn't obvious!
The saxophone is very high pitched and it sounds like a little girl screaming at the top of her lungs but the bass saxophone is very very low it sounds like somebody...
Some percussion instruments may, and some may not. Usually if something like a drum has tuning equipment, it may be tuned to whatever pitch you desire.
What is this question doing under Electricity and Magnetisim? Sound is a mechanical phenomenon. It does not have to be produced by a speaker. Perhaps you have in mind the 60Hz hum in consumer...
A pitched instrument can be tuned, and you will always get the sound you expect. This would be most intruments (piano, violin, chimes, etc.). Non-pitched instruments cannot be tuned. This would be...
