A video of civil rights icon John Lewis John LewisDemocrats urge Biden to resist filibuster, court-packing calls Rep. Bill Pascrell named chair of House oversight panel The Hill's Campaign Report: Biden goes on offense MORE dancing to the song “Happy” by Pharrell Williams went viral on Thursday while the Georgia Democratic lawmaker was campaigning for his party's gubernatorial candidate Stacey Abrams.

Lewis was attending an event for Abrams headlined by Oprah Winfrey and was spotted by CBS News’ Nancy Cordes showing off his dance moves before the event.

WARNING: This video of Congressman John Lewis dancing may make you @Pharrell -level "Happy." https://t.co/dCkruFhERd pic.twitter.com/PHuxOywK6E — CBS News (@CBSNews) November 1, 2018

It has been viewed more than 440,000 times as of Friday morning, including by Williams himself.

Get it legend https://t.co/I88GYAFkdg — Pharrell Williams (@Pharrell) November 2, 2018

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Abrams, the former minority leader of the Georgia House of Representative, is in a virtual tie with her Republican opponent, Georgia Secretary of State Brian Kemp.

Kemp led Abrams by 49 percent to 47 percent in a poll last week, within the polls margin of error.

Political handicapper The Cook Political Report rates the race as a “toss up.” An average of polls complied by RealClearPolitics has Kemp up by 1.5 points.

Kemp has tied himself closely to President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE, who has endorsed the Republican.

Former President Obama will campaign for Abrams and other Georgia Democrats on Friday and Trump will hold a rally for Kemp on Saturday.

The viral video comes after Williams sent President Trump a cease and desist letter for playing the song at a rally just hours after 11 people were killed in the Pittsburgh synagogue shooting.

"On the day of the mass murder of 11 human beings at the hands of a deranged 'nationalist,' you played his song 'Happy' to a crowd at a political event in Indiana," reads the legal letter obtained by the New York Daily News on Monday.

"There was nothing 'happy' about the tragedy inflicted upon our country on Saturday and no permission was granted for your use of this song for this purpose,” the letter continued.

The musician also reportedly said that the president is not permitted to play any of his music without his permission.