Things You'll Need
Instructions
Load Guitar Hero: World Tour into your PlayStation 3 and turn the system on.
Log into the PlayStation Network and start the game. Your system will need to be connected to a broadband Internet connection to log into the PlayStation Network.
Select the fifth option, "Music Studio," in the main menu and press the "X" button.
Select the "GHTunes" option once the Music Studio loads.
Scroll through the custom songs and select one that you would like to download. You can sort the songs by popularity, ratings and various other criteria. Once you find a song you want, select the song and press "X" to download it.