The country lost one of its most ardent supporters of music this week. A vital force in Dublin’s live circuit, and a tireless advocate of up-and-coming artists of every ilk and sound, Luke Gleeson dedicated a sizable part of his time and efforts promoting shows in The Grand Social, Whelan’s, Sweeney’s, Drop Dead Twice and, more recently, Bloody Marys. In terms of sheer passion and incentive, he will be remembered by many as a one-off; a zealous live music fan who, in heeding the abundance of talent around him, played his part in making it known to others. As the Dublin underground scene comes to terms…