That's a surprise, seeing something so avant garde that high up the list. Definitely not suitable for entertaining in polite company, best avoided when feeling a bit delicate, yet I listen to this one a lot when I'm in a spacious mood. Up there with Miles Davis' Bitches Brew if your tastes run to those sorts of things.

Back in High School when music piracy consisted mostly of cassettes, one particularly prized item had Tarkus on one side and In the Court of the Crimson King on the other. This is where my fondness for Tarkus stems from, though side one only.