Instruments like this Stradivarius are among the most expensive in the world. Some of them are worth millions. But some musicians are choosing to alter their instruments with tattoos and piercings. Sound crazy? Some think so. But others insist they're just personalizing what they consider an extension of their own bodies - their instruments. Tune in to today's show for the full story. Plus, we'll hear our very own PT poem, written for us by poet C.K. Williams.