What with the ever-expanding collectors’ obsession with violins, violas, and cellos made by old Italian masters like Stradivari and Guadagnini, it can be easy to overlook living luthiers and their work. But there are plenty of modern masters whose work is delighting players who know that the old classics are frequently overpriced. Those who play modern instruments frequently develop a bond not only with their makers, but with others who play the same “model,” much to the delight of their creators.