"Space Truckin' " is four minutes and thirty one seconds of science fiction hard rock complementing the metal works branding of group name and album title on Machine Head's cover. Recorded in Switzerland during the December 6-21 sessions made famous in the song "Smoke On The Water", this is that song's counterpart, less ominous with more rapid intensity. The riff sounds like a snub at Black Sabbath's "Iron Man", more lively and energetic, the lyrics as senseless as those Ozzy Osbourne and company dished out. "We danced around with Borealice" could be a dig at labelmate Alice Cooper as "aurora borealis" has a distinctly different spelling, or maybe the band intentionally was aiming at an initial audience with lower i.q.'s - David Crosby and Joni Mitchell were hardly quivering that Ian Gillan and crew were going to best them anytime soon in prose and poetry contests. But like the aforementioned Black Sabbath, the lyrics were meant to be incidental. The power and the glory was in the thick sound generated by this exploding ensemble, who cares that "moonshot" and "Canaveral moonstops" were third grade rhymes at best, this was musicianship and volume over story telling - the grungy spaces in between those lyrics speaking volumes that the words could not define. "The fireball we rode was moving" referenced their previous lp, and chronicled the lengthy development of this creative quintet over a fuzz-laden set of chords and riffs, a superb comet ride to close out Deep Purple's most legendary hard rock studio album. That the album cover reflected the look which would grace filmmaker James Cameron's Terminator trademark more than a decade later only hints at the futuristic influence of "Space Truckin' ". It didn't need Top 40 airplay to find its way into the consciousness of music fans - with enough exposure on the FM band as well as interpretations in clubs by cover groups, it might as well have been an AM hit.