KnowraFree reedLinked fromLinked fromThe 7 pages that link to Free reed, each with the reason it gives.All 7Broader topic 3Related 1Narrower topic 2Compared with 1HarmoniumBroader topic: Each harmonium note is produced by a free reed vibrating as bellows move air through it.OverblowingBroader topic: Its vibration is the physical source of harmonica notes, including overblown ones.Pump organBroader topic: Each note is generated by a free reed activated by airflow.