What Did You Hear?Discover a new side of the songs of Bob Dylan, as a music theorist considers the possibilities ingrained in rough sounds, peculiar intonation, and a raspy voice. Folk troubadour, rock star, country crooner, cultural shapeshifterfor a musician who adopted so many styles, Bob Dylan always seems to be unmistakably himself. Whether you're a fan or a sceptic, you know his sound. A gritty voice that slides toward speech or out of key, a musical trademark