That was a good starting point. Ended up finding this post : Is there a way to lookup Path by GUID?
static public string getPath(FMOD.GUID guid)
{
string path = string.Empty;
//FMOD.Studio.System sys;
//FMOD.Studio.System.create(out sys);
//sys.lookupPath(guid, out path);
RuntimeManager.StudioSystem.lookupPath(guid, out path);
return path;
}
Thanks