Now in its eighth year, Feile An Droichead has worked its way quietly, and with little fanfare, to a point where this annual celebration of Irish music and language arguably ranks as one of the signature events in Northern Ireland’s burgeoning cultural calendar. Beyond the confines of its An Droichead home, the 2016 edition has seen the festival extend its reach into the wider community, with performances in the Ulster Museum, Black Box and the Belfast Barge creating, at the very least, the possibility of bringing traditional music to a more general audience. The honour of closing An Droichead 2016,…