Carrie Underwood’s performance of “America the Beautiful” at Donald Trump’s Monday inauguration was awkwardly interrupted by an audio error, prompting the Grammy winner and accompanying chorus to sing the patriotic tune a cappella.

Carrie Underwood sings "America the Beautiful" at the inauguration of Donald Trump in Washington, D.C.

Carrie Underwood's inauguration performance of "America the Beautiful" was a reminder of what unity feels like. It also let us know that the one-time American Idol winner is more than just a ...

I am humbled to answer the call at a time when we must all come together in the spirit of unity and looking to the future.”

Country music star Carrie Underwood performs “America the Beautiful” following President Donald Trump’s inaugural address.

After a brief pause, Underwood sang acapella, asking the crowd to join. during President Trump's inauguration.

Country superstar Carrie Underwood performed “America the Beautiful” at the inauguration of President Donald Trump on Monday. But there was a problem.

Jennifer Lopez performed “America the Beautiful” and “This Land Is Your Land” at Joe Biden’s 2021 inauguration. Four years earlier, the Tabernacle Choir at Temple Square sang “America the Beautiful” the first time Trump was sworn into office.

Country singer Carrie Underwood proved her talent Monday when she sang "America the Beautiful" a cappella last minute after the recorded music didn’t play as planned at President Donald Trump's inauguration.

Carrie Underwood performed a stirring a cappella rendition of "America the Beautiful" after the official swearing-in of President Donald Trump at his inauguration on Jan. 20. Savannah Guthrie noted during NBC News' coverage of the inauguration ceremony that Underwood spontaneously sang a cappella due to an issue with the band that was set to play with her.

The “American Idol” alum’s star-spangled performance unfolded after Trump was sworn in as the 47th president of the United States in the Capitol Rotunda.