Porcupine Tree, No-Man, Bass Communion, Muslimgauze, Interpol.

Whoever said Immortal Technique, props dude. IT is hot soup.

Classical music, by far is the trippiest music high. Try it,
Beethoven's 9th Symphony.
Rimsky-Korsakov's Scheherazade.
Shostakovich's 5th Symphony.

It's all great man.