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Carly Simon's classic 1972 hit "You're So Vain" took the charts by storm and established the singer as a household name.
The song became an instant number one, going on to sell more than one million copies in the United States alone, and launching an ongoing debate on who the song was about.
New York-born Simon is the daughter of publishing giant Richard L. Simon, co-founder of Simon & Schuster, and is the former wife of music legend James Taylor.
Although most famous for "You're So Vain," Simon has had a number of other internatonal hits included 1977's "Nobody Does It Better," the theme to James Bond film, "The Spy Who Loved me."
Her most recent album, "Never Been Gone," was released last fall. It features new versions of a number of her greatest hits.
This year Simon has announced a contest on the Web site, inviting fans and filmmakers to create a music video, using the original or new version of "You're So Vain." She will screen all entries herself, select a winner, and meet the filmmaker.
Tune in on Wednesday at 2100 GMT to see Carly Simon as our Connector of the Day. Post your comments about Carly, and please let us know from where you are writing.