Arguably the Irish group most deserving – in the literal sense – of the cult band status, Derry’s The Barbiturates have just released their latest LP, Only Folkin Jokin. Like its mini-album predecessor The Holy Mountain, it comes with  a visual accompaniment that threatens ocular trauma. Loaded with a sense of backwoods fear of the urban sprawl and the powers beyond their control, it’s another self-produced release that comes as act II in a larger thematic trilogy. With an Easter Egg that begs to be discovered – trust us – The Barbiturates’ leader has crafted what feels like an extended invitation to tune in, drop out, with pieces that casually dabble in acid…