Until then, treat fg-optional-bonus-soundtracks.bin with respect. It is the digital soundtrack to your victories—or, depending on your hard drive space, the first thing you sacrifice to install the latest patch.
Given the file's name and structure, I'd propose that fg-optional-bonus-soundtracks.bin is a repository of bonus soundtracks for a particular game. These soundtracks could be: fg-optional-bonus-soundtracks.bin
Once the installation is complete, the soundtrack files are usually extracted into a subfolder within the game directory, such as Bonus Content or OST . Troubleshooting and Safety Until then, treat fg-optional-bonus-soundtracks