Peter Madcat Ruth is a Grammy Award-winning virtuoso harmonica player based out of Ann Arbor, Michigan. But Madcat doesn't just play blues harp: he also sings and plays ukulele, guitar, high-hat, jaw-harp, penny-whistle, kalimba, banjo and other folk instruments from around the world.

Madcat's repertoire of styles includes Blues, American Roots Music, Folk Music, Jazz, and World Music.

Madcat tours with The Madcat Midnight Blues Journey, Chris Brubeck's Triple Play, and The Big Joe Manfra Blues Band, as well as doing solo performances.