A couple days ago, I was listening to the “Fish” network on my Charter Cable's XM radio stations and heard a song that brought back some memories of my old days (old man that is), it was BTO 'Taking Care Of Business”, or at least that is what I first thought ;)  There is a Christian band called “Aplogetix” who make parodies of secular music.  They have been around for some time, but I have never managed to hear them before.  You can listen to some of there songs for free from their website at:

http://www.apologetix.com/music/music.php