Five for Fighting 's single `` World '' has been at number 14 on the Hot AC , and many charities have used its music videos for fundraisers .
see Philanthropy below ) .On the weekend of January 27 and 28 , 2007 , Ondrasik filled in for radio host Casey Kasem on the American Top 20 ( where he counted down to his own hit `` World '' ) , and American Top 10 ( where he counted down to his own hit `` The Riddle '' ) .
Five for Fighting