<https://www.guitarchat.co.uk/topic/1675-scale-choices-for-play-over-wes-montgomery-play-along/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.guitarchat.co.uk/topic/1675-scale-choices-for-play-over-wes-montgomery-play-along/>