The term 'PERFORMED ON 'AMERICAN IDOL'' can be summarized by the four letter word 'SANG'. This refers to the popular singing competition show, American Idol, which has been airing since 2002. Contestants on the show compete for a recording contract and the title of 'American Idol' by performing songs in front of a panel of judges. The term 'SANG' is used to describe the performances of the contestants on the show.