Jules Massenet’s Werther, with libretto by Édouard Blau, Paul Milliet and Georges Hartmann, was written between 1885 and 1887, although it did not premiere until 1892. Set in Wetzlar in Germany in the 1780s, and loosely based on Goethe’s epistolary novel The Sorrows of Young Werther, it concerns a melancholic poet who is besotted with Charlotte. Their feelings for each other begin to develop when her betrothed Albert is away, but he returns unexpectedly and Charlotte...