<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/MusicRecording>
<https://www.songpop2.com/content/song/Sadao-Watanabe_%E3%82%B7%E3%83%BC%E3%83%BB%E3%83%9B%E3%83%AF%E3%83%83%E3%83%88%E3%83%BB%E3%83%8F%E3%83%97%E3%83%B3%E3%82%BA/POyBt>