<https://forum.powerampapp.com/topic/27992-graphical-render-glitch-with-24khz-low-shelf-filter/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.powerampapp.com/topic/27992-graphical-render-glitch-with-24khz-low-shelf-filter/>