The Broadway Melody (1929)

Not one year after this, this first movie musical ever, debuted, this cocktail appeared in "Harry of the New York Bar - ABC of Mixing Cocktails." Harry MacElhone, the man who made the Parisian bar a fixture among American expats credited  "Bill Breed of Cleveland" with this recipe: 

The Broadway Melody 

1 oz Gin 

1 oz French vermouth 

1 oz Grand Marnier 

Stir with ice. Strain and pour into cocktail glass. Garnish with orange twist.