<https://www.neilchanmusic.com/post/how-to-make-a-boring-melody-interesting-on-guitar-tips-that-work>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.neilchanmusic.com/post/how-to-make-a-boring-melody-interesting-on-guitar-tips-that-work>