When two artists share a split release, there’s usually an immediately apparent reason for it, a close stylistic correspondence, or a specific creative contrast within the context of a broader similarity. Punk and hardcore bands often release splits together, as do sludge and stoner metal acts. So when two halves of a split release seem, on the face of it, to pursue radically divergent artistic agendas, it seems an invitation to consider each in the light of the other. The established practice of the split release almost compels the listener to read the two sets of sounds striking their cochlea as equivalent in some way …