Al, Contamination of copper wire in factory would wrap completely around the string, not just on one side as viewed. More likely a spill of some sort. Bruce Browning The Piano Tuner. > I don't think it's from moisture or atmospheric contamination. It's > some contaminant that probably occurred in the handling of the strings > in the factory or during the making of the strings themselves with the > copper wrap. I doubt it will effect string wear or breakage (or tone). > However, putting alcohol on there certainly can. If it really bothers > the owner call the dealer and tell them, maybe it's a warranty item. > Other than that, leave it alone, you can only make it worse.
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