Unicorn Porn/Nick Vanderveldt - The White Stag, you might check out his other work too. He did a drone record in 2012 that was supposed to be "Dune" music.
>this isn't the first post
London Philharmonic does various Pink Floyd hits. I listened to this alot when I was reading through the dune saga as a teen. I feel like it fits the trippy space opera mythology.
Minus the weed, this is exactly it. If you haven't read Dune, do it. Frank weaves a tapestry of nuances within the book. the man was a genius. If Fremen had iPods this is what they'd bump.