Wagner's 'Lohengrin' is described as a 'great romantic opera' in which Wagner opens up two completely different worlds for the listener. On the one hand, there is the mystical world of the Knight of the Grail which could be described as embodiment of the Christian element in 'Lohengrin', and on the other hand, there is the opposing magical world of Ortrud. Wagner had studied the origins of the medieval legend of the Knight of the Swan intensively for years, with Wolfram von Eschenbach's work cer...