A good crock song-writer realizes that most of us can't carry a tune in a bucket and writes for songs that have a simple melody. I've never been much of a team player though, and figure if we can't sing we should revel in it. That's why I mainly write for really hard tunes like Gilbert & Sullivan patter songs.
Linked are the lyrics. It's text, so to get the full effect download a copy of the music, then imagine the lyrics being sung by 20 aging fraternity brothers, all in their own key.