If you’re a regular gig-goer in Belfast, chances are you will at least know amateur music photographer Diarmuid Kennedy to see. Having worked tirelessly on his own initiative to capture  pretty much every single local gig worth going to over the last twenty months, he has very kindly selected a dozen of his favourite distinctive black-and-white photographs during this period, offering a snapshot of a small but thriving scene and the thoughts of a true champion of homegrown live music. Take it away, Diarmuid. “It is very flattering to be asked to select my favourite photographs for Thin Air.  I am a complete amateur…