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Kara Elizabeth DioGuardi (born
December 9,
1970) is an
American songwriter,
record producer, and
singer who has contributed to a long list of internationally successful popular songs. She writes music of the light
pop-rock genre. She will be a judge on the eighth season of
American Idol. DioGuardi has worked with
Celine Dion,
David Archuleta,
Kelly Clarkson,
Carrie Underwood, and many others.
