<https://larsgreenmusik.dk/p/roland-hp-702-ch-charcoal-black-bringer-stil-premium-klaveroplevelse-dit-hjem/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://larsgreenmusik.dk/k/piano-keyboard-tangenter/digital-pianoer/roland-digital-pianoer/>