a key or other mechanism for producing an a-flat.

listen to the pronunciation of a key or other mechanism for producing an a-flat.
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Definition of a key or other mechanism for producing an a-flat. in English English dictionary

A key or other mechanism for producing an A-flat.
A-flat

I had to take it to the shop because the A-flat was stuck.

a key or other mechanism for producing an a-flat.
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