Videos: Petula Clark, in French

By the time American kids like me heard Petula Clark sing Downtown on the radio in late 1964, she had already invaded France. Petula, of course, started out as a child singer and actress in the U.K. in the 1940s and early '50s. In '57, she was invited to sing at Paris's Olympia Theatre. She delivered a performance that left the audience cheering. The ne…