Inspired by his love for a friend's wife, Wagner composed this opera about a pair of medieval lovers
Unlike most opera composers, Wagner 
wrote both the libretto and the music ... Wagner had his own opera house built, 
the Bayreuth Festspielhaus, which... [DOC] [TLE] Tristan and Iseult - Wikipedia [PAR] Tristan and Iseult is a tale made popular during the 12th century through French 
medieval poetry, inspired by Celtic legend.