There may be a couple of reasons. The reeds may be either too thin or too thick for you to play with. Or, it's common to find "bad reeds" in a new box of reeds, yes I know, it doesn't make a lot of sense. Even when the box of reeds is the same thickness there are little variations in the cut that can make one reed play better than another. It's customary for clarinet players to either throw away some of the "new reeds", fix them or simply use them only to study.
The single-reed and double-reed, that's if you're talking about woodwind instruments.
Clarinet reeds come from cane.
At flavorreeds.com -- They have an assortment.
Brass instruments do not have reeds, some woodwind instruments do.
too many to calculate
No.
There may be a couple of reasons. The reeds may be either too thin or too thick for you to play with. Or, it's common to find "bad reeds" in a new box of reeds, yes I know, it doesn't make a lot of sense. Even when the box of reeds is the same thickness there are little variations in the cut that can make one reed play better than another. It's customary for clarinet players to either throw away some of the "new reeds", fix them or simply use them only to study.
A Harmonica has one reed for each hole it has. For example, a Diatonic Harmonica has ten holes, ten pitches, and thus ten reeds. Longer reeds have lower pitches. The reeds tend to be metal. If a reed bends, the corresponding pitch will not work.
Every player has a different opinion. Many beginners use Rico - personally I recommend VanDoren.
The single-reed and double-reed, that's if you're talking about woodwind instruments.
Too many kinds to list.
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