Singing membranophones (Sound Challenge Day 3)

Or kazoos. A variety of Eunuch Flutes - which makes them sound rather exotic, if not risky to play (for men!). Here is a nice little quartet of them showing what can be done. Who needs violins and double-bassoons?
[This blip is for Cathaber's [url=http://www.blipfoto.com/entry/3808367]Sound Illustration Challenge[/url].]