An Ovation guitar factory in the western Connecticut hills that produced instruments for music legends from Paul Simon to Cat Stevens to Glen Campbell will be closing in June after 47 years and production of the Ovation line in the United States will stop, the manufacturer’s parent company told the shop’s 46 workers this week. One former factory worker called it “the end of an iconic American brand.” Fender Musical Instruments Corp., based in Scottsdale, Ariz., and maker of the iconic Stratocaster electric guitar, said in an announcement Tuesday that it was ceasing domestic production of Ovation guitars and closing...