To use these features, your PlayStation 3 must be running custom firmware () or PS3 HEN :
Recommendation
To appreciate what "better" means, you must first understand the vanilla setup. Official Rocksmith 2014 DLC purchased from the PlayStation Store comes as encrypted PKG files. When you run a custom firmware (CFW) or Hybrid Firmware (HFW) PS3, you can install unauthorized PKG files. These contain user-generated content (CDLC) or repackaged official songs. rocksmith 2014 ps3 dlc pkg better