The "Beyond Stranger Things" intro music is a version of the series them (by Kyle Dixon and Michael Stein) remixed by German electronica musician C418. It is available for FREE via Bandcamp.com, link below:
https://c418.bandcamp.com/track/stranger-think

I made custom art for the individual track. It combines the 8bit portrait with a vintage arcade game.
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Thank you for sharing, muddnudd, and I quite like the cover art.

I can't improve on what joefranklin said, so I'll just say "Ditto!" :)

Thank you!

Nice, thanks!