Nurse who treats COVID-19 patients sings 'Amazing Grace' at memorial ahead of inauguration

Lori Key sang to honor the lives lost during the pandemic.

Lori Marie Key is a registered nurse at St. Mary Mercy in Livonia, Michigan, who went viral in April 2020 after a video of her singing "Amazing Grace" inside the hospital brought tears to the eyes of millions. On Tuesday, Key sang the notable hymn again in Washington, DC.

"We are so proud of St. Mary Mercy Livonia nurse Lori Key, whose singing again inspired the nation with her heartbreaking rendition of Amazing Grace to honor the lives lost during the pandemic," St. Joe's Health wrote on Instagram.

Biden and Vice President-elect Kamala Harris participated in the memorial at the Lincoln Memorial to honor the more than 400,000 Americans who have died from COVID-19.

The U.S. leads the world in the number of COVID-19 cases and the number of deaths.

"To heal, we must remember," Biden said. "It's hard sometimes to remember, but that's how we heal. It's important to do that as a nation."

Key, who is now known for singing to her patients, told "GMA" last April that she also promoted spiritual healing.

"Sometimes I'll do a bedside prayer with my patients, especially if they request it because right now we need prayer more than ever," Key said.

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