Tested on the SRWV 2.0.148 and 2.0.150 and SRWX 2.0.127
Edit the path to mingw64\bin\gcc in build_test.bat
And then run build_test.bat
Extract all files in the archive to the game directory
Run SRWVPremiumMusicPatch.bat
You should see the message "Done! Try out the new BGM in the game!"
Go in settings and the BGM menu to see if it works. You can also move away your BGM settings to restore everything to default to see in the DEMO that some characters now use the anime BGMs.
Team skse (https://skse.silverlock.org/) for their code for hooking functions after steamstub finishes loading
Canzah from GBAtemp for the premium music files