Daniel Avery: Song for Alpha review – majestic, cavernous techno

(Phantasy)Between 1992 and 1994, Warp Records released the Artificial Intelligence series of albums. Including key early work by household names in electronica circles – Aphex Twin, Autechre, Richie Hawtin – it was ostensibly home-listening music, all unfolding minor-key melodies, gurgles and washes of sound. But it was also bathed in the afterglow of the rave explosion, much more about bodily pleasure than nerdy detail-spotting.Lately, the Artificial Intelligence sound has been bubb