Oklahoma native and country music star Garth Brooks called for unity during his performance at President Joe Biden's inauguration ceremony Wednesday.
The 58-year-old sang "Amazing Grace" a cappella, and asked everyone to sing along near the end of the song.
"I'm going to ask you to sing this verse with me," he said. "Not only the people here but the people at home, those at work. As one, united."
On Twitter, Oklahoma State University gave a shout out to Brooks during his performance. In 1984, Brooks graduated with an advertising degree from the university, and he earned his MBA through the Spears School of Business in 2011.
In addition, Lady Gaga performed the National Anthem while Jennifer Lopez sang a song with strong Oklahoma ties, "This Land is Your Land."
Other celebrities like Tom Hanks and Justin Timberlake are expected to make appearances for the inauguration during a primetime TV special.
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