Press "Start" > System Settings > Audio Output. Cycle through the options (HDMI, PCH, etc.) until you hear the background music.
When it comes to performance and compatibility, Batocera on a 32GB PC with 32-bit architecture may not be the most optimal configuration. The 32-bit architecture may struggle to keep up with more demanding games, and the limited RAM utilization could lead to slower performance. Batocera 32gb Pc 32 Bits