It's an Adam Lambert 'Mad World' - the other 'American Idol' hopefuls just sing in it 

Something rare and amazing happened last night on "American Idol": The notoriously tough-to-impress judge Simon Cowell rose out of his chair to give Adam Lambert's "Mad World" a standing ovation.
Keywords: american idol, season 8, adam lambert, tears for fears, mad world, donnie darko