After 19 months of uncertainty, wilful obstruction, and – finally – some brief reprieve over the last four weeks, the Irish government has once again U-turned on its decision to throw the hospitality sector a lifetime. From midnight on Thursday, all pubs, nightclubs and restaurants in the Republic of Ireland will have to close at midnight. For the music industry that means one very obvious thing: those weeks of frantic planning, scheduling, booking, organising and liaising by bookers, venue owners, artists and DJs? It was more or less all for nothing. There’s no two ways about it: the Irish government…