- Unknown jingle → Game Toshokan title screen
- BGM 4 → Game Toshokan menu screen
I guess this wasn't spotted before because getting Game Toshokan to work at all is hard =P (you need either the modem on real hardware or patching the check on an emulator, and then if you use an emulator you better hope it can figure out it needs a serial EEPROM (only Fusion does?) or patch out the EEPROM code too) and even if you do, you won't get beyond the initial menu as it gets stuck trying to dial (and unlike Mega Anser, there isn't a "demo mode" where it uses a fake off-line server). Anyway, will see if I can come up with a sound test for Game Toshokan (if I can find a good place to put it and where the sound engine calls are...).
And in case anybody is left wondering: BGM 1 is the in-game theme. I think BGM 2 may play when you're running out of time but I don't remember for sure right now (I should play this game again =P).