Broken content links

The following links are currently broken:

• https://www.youtube.com/watch?v=ElCyPrIuFCY
• https://www.youtube.com/watch?v=62_pBqvTHMQ
• https://www.youtube.com/watch?v=BQ-iks8E3Rg
• https://www.youtube.com/watch?v=3jcZvYdvBiA
• https://www.mixcloud.com/Alexeyan/project-poltergeist-i-made-the-nerds-dance/
• https://www.youtube.com/watch?v=Mbp_XVbY21E
• https://soundcloud.com/raute42/r-emote-flow-ii-remote-on-rc3-short-version
• https://soundcloud.com/pietirave/gpn20-psytrance-party-o
• https://www.youtube.com/watch?v=lcnTSOICAPk
• https://www.mixcloud.com/Alexeyan/project-poltergeist-the-future-live-gpn19/
• https://soundcloud.com/audino/rc3-2021-remote-choas-experience-lounge-mix
• https://soundcloud.com/hans-durchner/hans-durchnerrc3
• https://creal.jonas-thelemann.de/player?playlist=Muesli-Mix%2FEvents%20%26%20Locations%2FGPN20&track=cReal%20-%20D%27n%27b,%2090s,%20House%20Mix
• https://vimeo.com/496675182
• https://www.mixcloud.com/PietBear/gpn19-set-piet/
• https://www.youtube.com/watch?v=3KXxFrZ_X3s
• https://www.youtube.com/watch?v=2YNuPcSNxAE