Hi, iam Alice Hoag, Buongiorno.

Why Does My Harmonica Sound Out Of Tune? [Solved]

If a harmonica suddenly goes out of tune it’s probably due to a reedreedA reed is a thin strip of material that vibrates to produce a sound on a musical instrument. Most woodwind instrument reeds are made from Arundo donax (“Giant cane”) or synthetic material. Tuned reeds (as in harmonicas and accordions) are made of metal or synthetics.https://en.wikipedia.org › wiki › Reed_(mouthpiece)Reed (mouthpiece) - Wikipedia that has gone bad (e.g. cracked). You may be able to tune it up, but it will likely go out of tune again very quickly. It is possible to replace a reed, but probably not worth the effort.6 Feb 2013

Should you TUNE your harmonicas?

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Harmonica Tuning Quick and Easy

Harmonica Tuning