The Tune Weavers were an American vocal group prominent in the late 1950s, known for their doo-wop style. The band, comprised of siblings Margo and Gilbert Sylvia, cousin John Sylvia, and friend Charlotte Davis, achieved fame with their hit single, "Happy, Happy Birthday Baby." Their music was characterized by smooth harmonies, with Margo Sylvia's lead vocals often distinguished by a distinctive sense of melancholy. Despite their brief career, The Tune Weavers made a significant impact on the doo-wop scene and left a lasting influence on the genre.