Well not exactly the end credits, but a particular song I've heard numerous times from numerous episodes. It's from the very early episodes. They would play it during the end narrations. I have a video from youtube with the exact song right here:

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

It starts right at 6:05. I've been trying to find this song for years, any help is most appreciated. Thanks

http://gh.ffshrine.org/soundtracks/3787

Track 41. Enjoy!