Pop Virtuoso Andy Paley on His 'SpongeBob' Showstopper 'The Best Day Ever'

Andy Paley has co-written the most popular song in the history of SpongeBob SquarePants. That distinction might sound dubious, but to the franchise’s legions of fans, “The Best Day Ever” – originally heard during the closing credits of the 2004 SpongeBob movie –  is a bona fide anthem.