Use a tool like or reactPSN , or simply launch the game while logged into a PSN-activated account (on modern CFW/HEN, this often happens automatically upon launch).

The Ps2 Classics Placeholder Rap File is a tiny, functional stub used during development and packaging rather than a finished piece of music. It’s useful as a diagnostic indicator but not intended for permanent inclusion; modders and packagers should replace it with correctly formatted, licensed audio when preparing consumer-facing releases.