(Photo: Padraig Grant) Interest in Frederick Delius’ operas has never been particularly high; even his best-known opera, “A Village Romeo and Juliet,” receives only the occasional performance. Wexford Festival Opera‘s decision to stage a production of “The Magic Fountain,” his second of six operas, written between 1893 and 1895, was therefore a welcome, if not a surprising, choice for the {…}