Of course. It's a bit stupid if they're all right behind eachother.
Uploading to Mediafire. It will take around 8 minutes. ^^
EDIT -> Uploaded!
http://www.mediafire.com/download.php?2zjr12fclw2
I'm afraid that there might be no underwater theme and that the underwater theme I was talking about might be the Terrarium of Terror variation. Either that, or there is no ToT variation in this track.
Anyway, the Showdown Town intro music is at the end.