"Killing Me Softly With His Song" hitmaker Roberta Flack delivered devastating news about her singing career.

Even in her 80s, Flack still wowed fans with her unmatched vocal skills. However, she recently disclosed that she would not be able to sing anymore.

Flack's representative, manager Suzanne Koga, confirmed her current status in a statement to Associated Press on Monday. The rep said the singer had been diagnosed with ALS, also known as Lou Gehrig's disease.

Upon the diagnosis, she reportedly found it hard to sing and speak again.

"Miss Flack plans to stay active in her musical and creative pursuits. Her fortitude and joyful embrace of music that lifted her from modest circumstances to the international spotlight remain vibrant and inspired," the statement went on, as quoted by NPR.

Koga did not confirm when exactly Flack was diagnosed with the fatal condition, but the manager clarified that the Grammy-winning singer aims to stay active in her musical and creative works through her foundation and other deals.

Instead of retiring, the representative divulged that it would take more than the health issue to silence Flack.

According to ALS Association, ALS - or amyotrophic lateral sclerosis - affects the nerve cells in a person's brain and spinal cord. When the degeneration occurs, sclerosis or scarring happens in the area.

Some of its symptoms include cramping of muscles, weakness, dropping things, impaired use of arms and legs, tripping, slurred speech, and periods of uncontrollable emotions.

Before her ALS diagnosis, Variety revealed that Flack also suffered a stroke in 2016. Two years later, she fell ill during the Jazz Foundation of America's benefit event.

Fans Send Get Well Soon Messages to Roberta Flack

After learning about her diagnosis, her fans started showering her with prayers as they hope for her to survive the progressive illness. They also asked everyone to keep things private while supporting the singer and her family.

The news about Roberta Flack's health was released days before the premiere of a feature-length documentary, "Roberta." It is scheduled to be released at the DOCNYC film festival on Thursday.

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Flack will also mark the 50th anniversary of her fourth album, "Killing Me Softly," next year. Aside from that milestone, she famously scored Grammy Awards in 1974 for the Record of the Year and Best Female Pop Vocal Performance for her hit song.

In 2020, the Recording Academy honored her with Grammy Lifetime Achievement Award.

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