Thank you, but I actually found a solution! Someone on reddit pointed me to a Japanese steam review.
If anyone else is having this problem, you need to use the program "audacity" to edit a typo in the metadata of each song. ("LOOPLENHT" > "LOOPLENGTH")
Lately when I listen to 1970s songs, I always think that the "real world" is still at mid 70s. What we experience now is a futuristic dream. With this point of view, even 80s and 90s looks super futuristic.
F.Knight: This Shrine always Flood. We don't have a choice,we have to Swimming in this place F.Healer: That Insane! F.Mage: We can use…Boat,rather than Swimming F.Knight: You guys…Can't Swim? F.Healer & F.Mage: (Shocked) Eehh??