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How a Reed Works in an Accordion

Video transcription

AMANDA CLAIRE: So, I'm not kidding when I tell you that this is like the big harmonica 'cause it's exactly what it is. But watch--hopefully, you can see this--maybe the camera can zoom in--but watch when I inhale and exhale on one hole here. You see, when I exhale the leather opens because the reed underneath is the one that's vibrating, this reed is not vibrating, but when this reed vibrates, that leather gets sucked up against it. You can actually see it vibrating. I don't know if you can see it on camera but when I inhale, that reed vibrates and the leather is sucked up against the other reed so that it doesn't play. But when I blow the reed on the other side vibrates, the leather on the other side that we can't see gets sucked up against this reed, and then this leather opens up. So you can see, two different reeds vibrating. And if those reeds were tuned to different notes, then these would be a bank of reeds out of a diatonic instrument.

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