Justin Carr is a world traveling performer known internationally as Dr. Sick. He's the current Musical Director of the Squirrel Nut Zippers, and runs three bands in New Orleans, where he resides. He's a published songwriter, record producer, singer and multi-instrumentalist known primarily for his high energy performances on violin, guitar, ukulele and musical saw, to name a few. He's also a prominent figure in the circus and burlesque community, announcing and producing shows since 2007. In bluegrass and jazz communities, he's known by another moniker, Fiddle Killer.