Ok, this is just wacky but when it comes to sounds played by buttons, I always try to make a tune out of it. In fact, everything that makes noise is turned into my own little symphony. Fish Tycoon lets you play the first line of the postman pat tune.

EXIT - HELP - TROPHY (X3)
PLAY - OPTIONS - HELP - TROPHY

Now this was some totaly useless information, wasn't it!?