One of the many cool new features in Grand Theft Auto V’s PC edition is Self Radio, which will allow you to cruise around Los Santos to the sounds of your own custom radio station. With just a few simple adjustments to the in-game audio settings, you can add outside music files to the game and create you own custom radio station.
For a standard PC installation of GTA V, the location for custom audio files is:
C:DocumentsRockstar GamesGTA VUser Music
In addition to the helpful tutorial video below from MRBossFTW, you can also check out this video from Ross’ frequent streaming partner Dat Saintsfan, who will teach you how to rock out to your own custom radio station.