Kacey Musgraves & Sara Watkins covered Gnarls Barkley’s “Crazy” (watch)
Gnarls Barkley's "Crazy" is one of those songs that everyone covers, from Violent Femmes to Cat Power, and the latest artist to put a new spin on it is Kacey Musgraves with help from fiddle player Sara Watkins (of Nickel Creek and Watkins Fam...