Enter a musical "lost treasure" that owes its existence to the bustling theaters of Edwardian London. A Song for the "Gaiety Girls"

: Most modern productions use the original Viennese score, which doesn't include the "London interpolations".

The Song the World Forgot: The Curious Case of “Butterflies”

If you’ve ever hummed the "Merry Widow Waltz" or felt the urge to dance to "You'll Find Me at Maxim's," you know that Franz Lehár’s Die lustige Witwe ( The Merry Widow ) is the undisputed crown jewel of Viennese operetta. But did you know that one of its original hits is almost never heard today?

Lehar – Highlights from Die Lustige Witwe (The Merry Widow)

One of those additions was It wasn't written for the lead, Hanna Glawari, but for a "grisette"—one of the high-kicking, decorative dancers who represent the bohemian spirit of Paris. In the 1907 production at Daly's Theatre, it featured Mabel Russell and served as a high-energy dance number that helped the show rack up a staggering 778 performances. Why You Haven't Heard It