(Photo: J.Quast) Theater Regensburg’s new production of Vivaldi’s “La Fida Ninfa” was a bold, ambitious, and possibly even reckless, decision for a provincial opera company with a non-specialist baroque orchestra, and a group of singers who, with one or two exceptions, have limited experience in singing baroque opera. Yet, it is illustrative of the extent to which Vivaldi’s operas are {…}