“Crazy” is the debut single from Gnarls Barkley, a musical collaboration between Danger Mouse and Cee Lo Green, and is taken from their 2006 debut album St. Elsewhere. Musically, “Crazy” was inspired by film scores of spaghetti Westerns, in particular by the works of Ennio Morricone, who is best known as the composer of Sergio Leone’s Dollars Trilogy, but more specifically the song “Last Man Standing” by Gian Piero Reverberi and Gianfranco Reverberi from the 1968 spaghetti Western Viva!
Folk singer Ray LaMontagne has done a fantastic cover of this song:
and here is the original: