Katharine Faulkner "Kay" Swift (April 19, 1897 – January 28, 1993) was an American composer of popular and classical music, the first woman to score a hit musical completely. Written in 1930, the Broadway musical ''Fine and Dandy'' includes some of her best known songs; the song “Fine and Dandy” has become a jazz standard. "Can't We Be Friends?" (1929) was her biggest hit song.