<https://songdata.io/track/3NMw4qhRCzd5sh94ukyjtJ/Keep-Your-Head-Down-Fritzi-Boy-by-American-Quartet>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://songdata.io/track/3NMw4qhRCzd5sh94ukyjtJ/MusicRecording>
<https://songdata.io/track/3NMw4qhRCzd5sh94ukyjtJ/Keep-Your-Head-Down-Fritzi-Boy-by-American-Quartet>