- sceCustomMusicCoreBgmClose, sceCustomMusicCoreBgmOpen, sceCustomMusicCoreBgmOpen2, sceCustomMusicCoreBgmOutput, sceCustomMusicCoreBgmSetAudioVolume, sceCustomMusicCoreBgmStart, sceCustomMusicCoreBgmStop, sceCustomMusicCoreGetBgmAuthorityStatus, sceCustomMusicCoreGetHdcpStatus, sceCustomMusicCoreGetSystemAudioVolume, sceCustomMusicCorePostEvent, sceCustomMusicCoreSendEvent, sceCustomMusicCoreSendMulticastEvent, sceCustomMusicCoreSendSpMessage, sceCustomMusicCoreSetSystemAudioVolume, sceCustomMusicCoreStartOperation, sceCustomMusicCoreStartOperation2 and sceCustomMusicCoreStopOperation (libSceCustomMusicCore) - names and NIDs are present in the PS5 3.20 export inventory, but no credible prototypes were found. The declarations have no parameters solely to resolve known imports; this is not an ABI claim and callers must not call them until signatures are verified