Well, It's a start.
Open link in next tab
Etrian Odyssey MOBILE Music
https://youtu.be/SgT3PnfEMPI
From the EO game literally nobody in the west knew existed and everyone in Japan shunned.0:00 - Town2:01 - Labyrinth 15:31 - Normal Battle7:53 - Victory8:45 ...
So yeah, EO Mobile. Weird to think that it's the one game that just straight up can't be played. At least with EO mystery dungeon 2 there's physical and digital backups, but so far the only thing that exists of the game is it's music and a review of sorts with screenshots. It would be cool to know who composed the music for the game as well.