Harmonicas and pan flutes are both made with a number of sections, each containing reeds, that are bound together into a single musical instrument..
Ed Reed had the same number for the Ravens as he did with the 'Canes - #20.
Panpipe
Reeds grow in river
I left my spare reeds at home. These reeds are used for musical instruments by the natives.
the reeds
There are no reeds inside a flute.
what is a group of reeds called
it only has one reed but the have double-reeds
I suspect you are referring to single reeds (clarinet and sax) and double reeds (oboe and bassoon).
One place you can get clarinet reeds is The Music Stop. They sell Rico and Vandoren reeds.
what is a group of reeds called