(CNN) Nancy Wilson, a three-time Grammy-winning artist who called herself a "song stylist," has died, her manager said.

She was 81.

Wilson passed away peacefully Thursday at her home after a long illness, her manager, Devra Hall Levy, said.

The vocalist from Chillicothe, Ohio, initially focused on R&B music but later excelled at jazz ballads and torch songs.

She made her debut with her 1961's single, "Guess Who I Saw Today."

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