Belfast’s Mandela Hall has consistently been something of a mecca for artists, bands and gig-goers in Northern Ireland, so it’s always a delight heading down those stairs into the darkness for a night of live music and good times. Life’s little pleasures, eh? And pleasurable it most certainly would be (sort of), with our eager ears anticipating Public Service Broadcasting and their brand of indie/electronica meets samplers/instrumental sonic space adventures. We arrive sharpish with a few dozen others, making our way down into the Mandela Hall and are pleasantly surprised by a promising turnout so early in the night. It’s…