There is 3 music packs
- Original soundtrack of OutRun 2 & OutRun 2 SP
- Initial D music pack
- OutRun2Tricks edition

Just copy all the files (all .adx files) from the pack you want to use and paste them in the previous folder "..\OutRun 2 SP SDX (ElfLoader 2)\or2g\disk0\Jennifer\data\"

Replace the files and it's done !
You can switch whenever you want.
