It wasn't game music. It was a recording.
You can "claim" this BIOS from a PS3 firmware update using the following steps: ps1-rom.bin bios
The screen stayed black.
SCANNING HOST SYSTEM... CPU: INTEL I7 DETECTED. RAM: 16GB DETECTED. INPUT: HUMAN OPERATOR DETECTED. It wasn't game music
Use a tool like (frontend for Mednafen) or DuckStation : ps1-rom.bin bios