context: DioGuardi has worked with many popular artists; sales of albums on which her songs appear exceed 160 million worldwide.
source: DioGuardi served as a judge on American Idol for its eighth and ninth seasons.
reference_original: DioGuardi ejerció como jueza en American Idol en la octava y la novena temporada.
reference_flipped: DioGuardi ejerció como juez en American Idol en la octava y la novena temporada.