LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, TRUE);
LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, FALSE);
+ // add top tree node over all three separate sub-trees
+ *artwork_node = createTopTreeInfoNode(*artwork_node);
+
// set all parent links (back links) in complete artwork tree
setTreeInfoParentNodes(*artwork_node, NULL);
}