What is a form of musical entertainment that emerge in America in the 1920s which features light and a comic story interspersed with poplular music?

Do bones undergo mitosis? Why was the department of agriculture created? Which phrase best describes a chaparral? When was Strictly Diesel created? What kind of communication was there in the Vietnam war? What coach did lebron have in high school? What happens when you restart your computer while you are on the internet? What makes a mining company go out of business? What happens if you get Vicks vapor run in your nose? Are tropical evergreen forests and tropical rain forest same? How many miles is it from Battery Park to Harlem 125th Street? Can the primany buyer of an auto loan refinance the auto loan in the cosigner's name only? How do the motor turns into motion? Does danny koker have children? How are objects affected by gravity? What to clean a tattoo with while tattooing? How do you fix an E22 code on the CD player of a grand prix without replacing the radio and paying the dealership? Who was the well-known reporter for the Los Angeles Times that was killed in an antiwar march and has a park named after him? Is pocket legends a good game? What is the diameter of a British Penny?

What is a form of musical entertainment that emerge in America in the 1920s which features light and a comic story interspersed with poplular music?