Make sure you are taking your tool to a professional repairperson at once to resolve these issues before cracking occurs. One of the most frequent questions I obtain regarding upkeep is whether or not the bores of wood bodied instruments could be oiled. There is no simple answer. I have never oiled my clarinet bores, and I have never had a crack. However, some people have a body chemistry that causes the clarinet bore to dry out considerably. If your instrument has a very dry bore, it is a good idea to oil it. Do this only during cold months when your heating system dries the air or if you live in a very dry climate. To oil the bore, place a few drops of bore oil on an old swab and pull the swab throughout the instrument. The vital thing is if you do it once, it's important to then do it continually — once every two weeks or so during the winter months in cold climates, or more often in very dry climates. Do not use anything aside from the bore oil you find in music stores, that's formulated from light mineral oils that won't turn rancid. Oiling the bore will not affect your clarinet’s tone or response.

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