Friday (5/30) was the birthday of the late, great, Gladys Horton. She was a founding member of the Casinyets. She invited Georgia Dobbins to join the group, and Georgia created Please Mr. Postman. However, Georgia's father would not let her perform in the group, so Horton became the lead vocalist. Shortly thereafter, the group was signed by Motown, who changed their name to the Marvelettes. Horton remained the lead singer of the group until 1965. Horton remained with the group until 1967, when she left to get married. To celebrate: