Remember Dublin experimental maestros Meltybrains? Good – you should. Right up there with the country’s most singular sonic propositions, the five-piece have returned with their first new material in 18 months via ‘Horizon’. Unsurprisingly, it kicks several shades of ass. Starting on a slithering pattern evoking St. Vincent’s ‘Rattlesnake’, the track bursts into full-blown cosmic-tech-metal bombast in ways only Meltybrains? can conjure. And that’s just taking into consideration the first 30 seconds. It’s a first taste of what is set to be a busy return for the band. “We’ve been very busy recently, for the past year and a half we’ve been recording loads…