What, besides C, is the most common key in harmonica?

Question:C, A , D AND G are the most sold... Take your pick. I used to take inventory on a weekly base in my music warehouse and those keys , even today, sell like hot cakes.

Best Answer - Chosen by Asker: C, A , D AND G are the most sold... Take your pick. I used to take inventory on a weekly base in my music warehouse and those keys , even today, sell like hot cakes.

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Bb

as this key is quite easy to play with quite a few other wind instruments,

best regards Barry