‘Motown the Musical’ launches tour in Chicago, and hometown headliner thinks that’s Supreme

Preview: It was no great leap for Chicago native Allison Semmes to take on the role of Diana Ross for the national tour of “Motown the Musical,” which launches May 8 at the Oriental Theatre. Semmes grew up listening to the Supremes and other Motown sounds on her mom and dad’s vinyl LPs: “My parents say when I was about 3 years old, I was harmonizing with the vacuum cleaner.”