Almost 40 years on from worldwide hits such as 'Alone Again (Naturally)' and 'Clair' Irish singer Gilbert O'Sullivan still has it, as his Olympia Theatre date in March has completely sold out. But not one to disappoint the throngs of his female fans, the Waterford singer has added an extra date at the Olympia for June 23. Tickets are priced at €35 from this Friday, March 11.