<https://thenextweb.com/news/chordify-taps-soundcloud-and-youtube-to-show-you-the-chords-to-your-favorite-songs#Breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://thenextweb.com/news/chordify-taps-soundcloud-and-youtube-to-show-you-the-chords-to-your-favorite-songs>