“If I Didn’t Know Your Husband” is a sheet music piece composed by Abel Baer with lyrics by Wolfe Gilbert and published in 1926. The composition is a humorous and playful vaudeville-style song that pokes fun at the conventions of marriage and infidelity. The lyrics describe a scenario where a man and woman are caught in a compromising situation, but the woman is able to save face by claiming that she is friends with the man’s wife. The melody is lively and upbeat, reflecting the light-hearted nature of the song.

Frances St. George was a singer and performer who was known as the “Jazzmania Girl.” She was active in the 1920s and 1930s, performing in vaudeville shows, nightclubs, and on radio broadcasts. St. George was known for her lively and energetic performances, and she often sang jazz and blues songs with a distinctive and expressive vocal style. She recorded several songs during her career, including “Jazzmania,” “Don’t Cry Baby,” and “You Can’t Tell Who’s Lovin’ Who.”