Clark's professional career began as an entertainer on BBC Radio during World War II. During the 1960s she became known internationally for her popular upbeat hits, including "Downtown," "I Know a Place," "My Love," "Colour My World," "A Sign of the Times," and "Don't Sleep in the Subway". With more than 70 million records sold worldwide, she is the most successful British female solo recording artist as cited in the Guinness Book of World Records.
From Wikipedia
