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I only own one electric guitar with a nitrocellulose finish, and I'm grateful for it, but just like the more common – nowadays anyway – polyurethane-finish guitars I have, it needs cleaning at least ...

WHITTIER – Bernie Hefner knows a thing or two about guitars. And he’s parlayed that knowledge into two businesses – Guitar Alley, which does guitar repairs, and the B. Hefner Co., which builds ...