Watch Kacey Musgraves Reinvent Gnarls Barkley's 'Crazy'

In 2006, when rapper CeeLo Green and producer-musician Danger Mouse joined forces as duo Gnarls Barkley, they were inspired in part by the work of Italian brothers Gian Piero and Gianfranco Reverberi, whose composition “Nel cimitero di Tucson,” became the basis of the worldwide smash hit “Crazy.”

Though Danger Mouse was…