You may have chosen not to download it, which is fine—the installer will simply skip it and the game will still work. The Bottom Line
The installer will extract the music files into a specific folder (often labeled "OST" or "Soundtrack") within the game’s main directory. Should You Delete It? fg-optional-soundtrack.bin
The core philosophy of a repack is . FitGirl and other repackers often separate non-essential game data from the core engine files. This allows users to "pick and choose" what they want to download. You may have chosen not to download it,
The file is a testament to the granular control offered by the repacking community. It’s a space-saving feature designed for the modern era of massive 100GB+ game installs. If you're a fan of game scores, keep it. If you're low on space, it's the first thing you can leave behind. The core philosophy of a repack is