 " The Boy Beats the Rams " opens Gravity with a burst of laughter followed by some tap dancing , " random " percussion and Frith 's " distinctive keening " violin . On " Spring Any Day Now " Frith mixes a bossa nova rhythm with a North African melody . " Don 't Cry For Me " features Greek mandolin with heavy metal guitar . " Hands of the Juggler " draws on Middle Eastern folk dance , " Slap Dance " is a Serbian " folk romp " , and " Career in Real Estate " is in the tradition of a Scottish fiddle tune . 
