I'm assuming you just youtubed the first videos that came up? I guarantee you haven't listened to anything off "Closing Time" or "The Heart Of Saturday Night".

http://www.youtube.com/watch?v=rTYezwJeHGc

http://www.youtube.com/watch?v=107dADrIVBk

http://www.youtube.com/watch?v=-GugzLSbOQE

Yeah.. terrible singing. -_-