Glasgow’s Clan Destine Records present the fourth volume of the essential Dark Acid series. As you’d expect, the included material is as trippy, intense and left-of-centre as you’d expect. Canadian producer Khotin kicks things off with “Tsoi”, a deep, psychedelic acid shuffler that builds incessantly towards a breathless climax. Varg’s “Ultra Acid” takes things up further via ghetto-tech inspired beats and icy melodies, before Kid Who drops a twisted chunk of midtempo acid chug (the delightfully claustrophonic “Gap Related Injury”). Finally, Becoming Real’s Toby Ridler and Golden Teacher/General Ludd man Richard McMaster join forces for “Terminator”, as intense an acid track as you’re likely to find.