Inspired by his love for a friend's wife, Wagner composed this opera about a pair of medieval lovers
... His jealous wife tells his friend to put up a black flag, so each lover ... 
WHAT: Washington National Opera presents Richard Wagner's... [DOC] [TLE] Wagner's Star-Crossed Lovers, Tristan and Isolde | The Dallas Opera [PAR] Jan 20, 2012 ... Wagner wrote in his autobiography that this was the inspiration for The Flying ...