Following Der fliegende Holländer, Tannhäuser of 1845 is acclaimed as Richard Wagner’s second mature opera and, set in thirteenth century Germany, tells of the eponymous minstrel-knight. Feeling that the world does not understand his art as a singer, he has fled to Venusberg where he enjoys the love of Venus. After being there for a while, however, he longs for his former life and thinks about the sweet, innocent Elisabeth who he left behind. Venus reluctantly releases...