A Brief History of Campaign SongsSubmitted by Michael Nystrom on Wed, 04/09/2014 - 21:03
From Time Magazine.
After reading this piece, it seems that the choice of song gives you a good idea of the candidate's chance at winning. Lyndon Johnson's was, "Hello, Lyndon," an adaptation of the Broadway hit, "Hello Dolly."
It's a pretty interesting article for people interested in music.