Hazen: I've been using bondo type products ,the same they put on cars, on all my black pianos and on all black pianos I have found that black lacquer by Dupoint, the same they spray on cars works wonderfully well . In fact this lacquer can be sprayed over existing black lacquer without the fear of cracking. I'm sure there are some who will frown on this procedure but so far it has worked for over 25 years. Black lacquer.....only Dupoint. They also have a flattening agent to reduce the gloss if desired. Forbees Piano Company refinisher, Birmingham, Ala., who had been doing it longer than I had been alive taught me this. This little trick works. Tommy Black Decatur, Ala.
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