She demonstrated “tireless perfectionism” in preparing her performances, said the director Filippo Crivelli, who worked with her for several years.

She characteristically sang with her hand on her hip, often dressed in Gianfranco Ferrè’s luxurious dresses and wearing a Guerlain perfume detectable from the first few rows.

Magazines put her on the cover, paparazzi chased her, and she was the subject of tabloid headlines, especially after one of her former boyfriends was found fatally shot in his car in mysterious circumstances and another killed himself.

She had no shortage of admirers. The Oscar-winning composer Ennio Morricone dedicated an album to her. Astor Piazzolla asked her to sing his tangos. Italians knew her best for “Alexander Platz,” a hit song adapted for her by the singer-songwriter Franco Battiato, a giant of Italian pop music, and “La Rossa,” a song written for her by another major artist, Enzo Jannacci.

She toured Asia and Europe, singing in at least seven different languages.

All that work took its toll. When her vocal cords grew inflamed, she gave herself cortisone shots to keep singing. Doctors said the treatments contributed to her neurovascular disease, according to Ms. Corgnati. She retired in 2012.

In addition to her daughter, she is survived by a sister, Luciana, and a brother, Antonio.

Vicky Schatzinger, a pianist who worked with Milva for 15 years, said she had repeatedly promised to cut her red hair once she left the stage, but she never did.

“She felt that her hair made her a character,” Ms. Schatzinger said. “But in reality, she was her character herself.”

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