Original sentence: Billboard named her the Artist of the Decade (1990s), while the World Music Awards honored her as the world's best-selling music artist of the 1990s and the best-selling pop female artist of the millennium
Edited sentence: Billboard named her the country's most successful artist of the 1990s, while the World Music Awards honored her as the world's best-selling music artist of the 1990s and the best-selling pop female artist of the millennium