Rosina Galli was an Italian ballet dancer, choreographer, ballet mistress, and dance teacher. After early years in Italy, she moved to the US, where she was associated with the Metropolitan Opera in New York City. Prima ballerina at La Scala Theatre Ballet, and the Chicago Ballet, she was also the première danseuse at the Teatro di San Carlo and the Metropolitan Opera.

Merry Mount is an opera in three acts by American composer Howard Hanson; its libretto, by Richard Stokes, is loosely based on Nathaniel Hawthorne's short story "The May-Pole of Merry Mount", taken from his Twice Told Tales. Hanson's only opera, it was commissioned by the Metropolitan Opera in New York City.