Kay Swift was a groundbreaking American composer whose work bridged classical training and popular songwriting. Born Katharine Faulkner Swift in New York City in 1897, she studied with prominent teachers including Charles Martin Loeffler and Percy Goetschius before her close personal and professional relationship with George Gershwin drew her toward popular music in the late 1920s. In 1930, her Broadway musical Fine and Dandy, with lyrics by Paul James, made her the first woman to compose the complete score for a hit Broadway show. The title song became a jazz standard and remains widely performed. Her earlier song Can't We Be Friends?, written in 1929, also entered the standard repertoire and has been recorded by numerous jazz and popular artists. Swift's compositional range extended to ballet, film scores, incidental music, and art songs across a career spanning roughly four decades. After Gershwin's death in 1937, she collaborated extensively with Ira Gershwin on completing and arranging George's posthumous works, contributing to at least fifty-two numbers. She also composed for the 1939 World's Fair and wrote the score for the 1952 revue Paris '90 with Cornelia Otis Skinner. Swift died in 1993 at the age of ninety-five, recognized as a pioneer for women in American musical theater composition.