GIBSON AND FENDER MIGHT HAVE led the electric-guitar pack in the USA in the early ’60s for design virtue, quality, star power, and overall desirability—with the likes of Gretsch, Rickenbacker, and Epiphone following closely behind. Harmony, however, was the country’s biggest guitar maker, selling more than a quarter of a million instruments annually during its peak years in the mid ’60s, between its own brand and others it manufactured for, such as the Silvertone line sold through Sears, Roebuck & Company. Most guitars from this Chicago manufacturer addressed the needs of the beginner, student, and lower-budget end of the market, and were priced and constructed accordingly. Now and then, however, the designers and builders at Harmony cinched up their belts, bolstered their pride, and got down to making a guitar…