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There's little correlation between '80s cop drama Cagney & Lacey and the logically monikered Cagney XOR Lacey EP from veteran techno experimentalist Datassette. Or maybe there is, who knows? Regardless, the London-based producer's been busy cobbling together his latest release, his first since 2012's People Without Mouths EP.

The pair of title tracks (parts one and two) bookend and make up the bulk of the EP. 'Cagney XOR Lacey Pt. 1' glitches into life like an ancient PC arising from a lengthy bout of dormancy. Chunky kicks and skittering hi-hats drip in gradually, the percussion getting slowly more and more complex in true minimalist form. At its root, this is a skewed techno – it's heavy on rhythm and beats, but light on hooks. Throughout part one's almost nine minutes, it shifts from scattershot dance to a more melodic kind of avante-garde electronica, and then back again. Much like traditional techno, it's allure comes from subtle variations and changes within the sprawling, repetitive noise. This music isn't as intensely 'rave-y' as traditional techno, however. Part two begins in a similar fashion, though there's considerably more harmonic and melodic experimentation on display: vocal samples are a staple, pads swell and deflate at a tidal pace, and percussion comes in bursts rather than sustained chaos.

The other tracks provide somewhat more intrigue than the headline act – 'Vacuform' is brimming with anxious beats which seem to be perpetually fleeing in opposite directions. There's synth lesions and pulsing basslines interweaving; soaring will-o'-the-wisp snowblind synths and while not poppy, it's more palatable to more people. 'Helvetica Calcium' – brilliant title – is foggy psy-techno, squirting in random directions with pitter-patter chimes and sheet rain swerves. It dawdles wondefully, accompanied by lollygagging drums, before a U-turn at around the two minute mark sees the cut implode. Basslines jerk, convulsing around the twisted tie-dye of previously chilled-out atmospherics. It's utterly unpredictable, and receives the coveted accolade of 'EP highlight'.

Cagney XOR Lacey bounds around your speakers, darting between rampant experimentalism and diecast dance. They serve each other well, providing a nice balance of the seen and unseen – when everything gets a bit derailed, there's a standard to return to, and to save that becoming stale, Datassette will whip out a few surprises every now and again. It's a majestic EP, full of twists and turns, that's sure to ensnare a few converts to Datassettes electrotheistic cult.