They Held a Contest to Find Local Talent. Kate Wright, Little Ann Little ( Ann Rothschild) & Mae Questel had entered. Also is shown a Tiny clip of Helen Kane performing Do Something. Then you can see the seceral women who provided the voice for the betty Boop Cartoons. Kate Wright, Ann rothschild, Mae Questel,Margie Hines & Bonnie Poe
Max fleischer make's it clear that It's something in their Voice, which is obviously a reference to Helen Kane who launched a lawsuit against him.