Baby sister blues - gramophone disc, record label

Female vocal duet, with ukulele

The Duncan Sisters, also known as the Duncan Dance Sisters, the "The Dancing Dolls", were a vaudeville singing and dancing duo, active during the early 20th century. Rosetta Duncan (1896-1971) and Vivian Duncan (1898-1977), vaudeville children, sang and played musical instruments, performed in circuits throughout the United States and Canada, appeared on Broadway and in London's West End, in silent films, and Vitaphone short films in the late 1920s.