digraph G {
  rankdir=LR;
  graph [bgcolor="#00000000"];
  node [fontname="Cantarell", style="filled", shape="ellipse", color="#000000", fillcolor="#d8e5e5"]; "nmm:MusicPiece";
  node [style="filled,dotted", color="#000000", fillcolor="#ffffff"]; song, songTitle, album, albumTitle;
  edge [fontname="Cantarell"];

  song -> "nmm:MusicPiece" [label="rdf:type"];
  song -> songTitle [label="nie:title"];
  song -> album [label="nmm:MusicAlbum"];

  album -> albumTitle [label="nie:title"];
}
