The Stradivarius violin gets its name from master craftsman Antonio Stradivari. When he died in 1737, his secrets died with him: No one has ever been able to duplicate the sound of the violins or violas he made. His instruments have taken on a mythical quality. Today they fetch millions of dollars at auctions; Sotheby's will soon auction off a viola that it expects to sell for $45 million. But how much of the Stradivarius' appeal is about the sound of the instrument, and how much is about the brand — about our brains telling us the sound is beautiful because it's a Stradivarius? In 2010, a group of researchers decided to find out. They set up a blind test with a Stradivarius. They took a group of musicians up to a dimly lit hotel room and had them play a mix of new and old violins, including two made by Stradivari. They had the musicians play while wearing welding goggles, to be sure the players had no idea which instrument they were holding. One of the violinists who took part in the
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