When talk first began of a sequel to ‘Troublegum’, the 1994 punk-metal opus that made legends of Co. Antrim trio Therapy?, your writer couldn’t help but feel pangs of uncertainty. From a band that over the course of 25 years plowed a fiercely independent furrow, and did so while thinking about ten steps ahead of the musical sentiment of the time, a move for nostalgia would be surely a massive anti-climax after producing two career-defining albums in ‘Crooked Timber’ and ‘A Brief Crack of Light’. Is it? Well… the jury is still out after a fortnight’s constant listening, which, for…