I can't help with translating, but I'd certainly be willing to throw some money your way to assist in completing this project. I'm glad to see there's interest even a year after the thread has been opened. Posting to echo my own!
Not a comp, but they are remaking the first game if you are interestedAfter playing Atelier Sophie DX and going through the different BGM's from all of the games I didn't realize how many Atelier Series games there actually were that I hadn't even heard of I think Koei needs to work on a compilation with these lesser known titles