SetInstrumentsFile
if (SetInstrumentsFile(settings.soundfont_file) == B_OK)
if (SetInstrumentsFile(path.Path()) == B_OK)
if (SetInstrumentsFile(fullPath.Path()) == B_OK)
status_t SetInstrumentsFile(const char* path);
return fSynth->SetInstrumentsFile(path.Path());