Premise: It's a spacey sort of blues, with Davis and Shorter playing furiously against the ethereal, Rothko-like shadings of Hancock's Fender Rhodes and Carter's electric bass and the anxious pulse of Williams' ride cymbal.
Hypothesis: The contrast of the band made up of the members of Davis, Shorter, Hancock, Carter and Williams came together to create a lazy, disjointed sound described as a spacey sort of blues. 
Label: entailment