by Rick AndersonMore inspired insanity from the King of Intelligent Dance Music (or, as the cognoscenti call it, IDM). Datach'i works somewhere this side of the abstract groove, reveling in deeply weird (and sometimes downright abrasive) tones and sonorities while almost always leaving a thread of rhythmic continuity in the mix. Sometimes, as on the slightly distressing "Free in a Box" and the surprisingly melodic "Merrily We Roll Along," he incorporates breakbeats that are hyperkinetically funky even by jungle standards; on the latter track, a splatter of phase-shifted and distorted sine waves leads into a 168 bpm breakbeat overlaid with a sweet and gently pretty chord progression. On the other hand, "Clown Man" is grooveless without being strictly arrhythmic, and the tweaked, jittery beats on "Memorandum" seem only tangentially related to the moody chords they're up against. That doesn't make those tunes less interesting, just a bit less im...