Simplify the following text for a Grade 8 native English-speaking person.
Original: Making their New York debut in 1912 at a branch of the Cafe de Paris , operated by Louis Martin , who had given them their start in Paris , the duo were soon in demand on stage , in vaudeville and in motion pictures .
Simplified: Making their New York debut at a branch of the Cafe de Paris , the duo were soon in demand on stage , in vaudeville and in motion pictures .