Assertion: harmonica's note | /r/CapableOf | use valve
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Source sentences:
text: However, more and more people are attempting to overblow, or at least trying to bend on all notes (using valves or the XB-40), on diatonics, since overbend and bending allow wailing, which is a desired aspect of many styles such as blues — something that is hard to simulate with chromatic harmonicas.