Betty dressed in gas station attendant bib overalls works at the automobile hospital or junk yard. She is approaching the end of her cartoon career. She appears right from the first moment of the cartoon singing the title song So Does an Automobile (1939) about how cars&people share a lot traits in common. Betty's voice is the familiar one but the singer is Margie Hines (aka Margie Heinz) rather than Mae Questal. Margie was the first wife of Johnny Mercer. From 1939 to 1944 she took over ...