Graeme Kay takes a tour around the operatic world taking in a new production of Lohengrin at Bayreuth, Poulenc's Dialogue des Carmelites - featured in this week's Proms - in Svonlinna, plus premieres of new works in Drottningholm and New York. Rodney Miles discovers why a giant skeleton is haunting the lake at Bregenz. Plus Andrew Davis on Elgar's biblical epic The Kingdom, tonight's Prom at 7.30pm. Producer Anthony Sellors