The Thomas Caldwell2024 Republican National Convention was filled with conservative elites, everyday Americans and a healthy dose of celebrities including musicians keeping the crowd entertained.

From Nashville-based band Sixwire keeping the attendees of the RNC entertained for all four days in Milwaukee, Wis. to Kid Rock warming up the crowd before Donald Trump came to the stage with a "fight, fight" rendition of a mashup of his old "American Bad Ass" and "Cowboy."

See some of the different singers and bands that took the stage a the convention or some who just showed up to stand beside Trump, like Jason Aldean.

Who's sitting next to Trump tonight? Jason Aldean

Aldean and his wife Brittany Kerr took a seat next to Trump in the MAGA friends and family box on the final night of the RNC on Thursday. Aldean didn't perform during the public session of the RNC, but was doing a private event later in the evening.

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Trump called Aldean the "biggest star in country music" during his acceptance speech. "He's good," Trump continued. "I like his wife even better, by the way" the former president said referencing Aldean's wife, Brittany Kerr.

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Kid Rock performs before Trump takes the stage on Day 4

According to Trump, Kid Rock (or Bob) was hyped to be part of the convention and the singer brought in chants of "fight, fight" and "Trump, Trump" into a mashup of his old hits "Cowboy" and "America Bad Ass" for Thursday just before Trump spoke.

"He became a friend of mine over the last ten years and he's amazing, everyone loves him," Trump said during his convention speech.

Brian Kelly takes the stage on Day 3

Florida native and country singer-songwriter Brian Kelley appeared on Wednesday to perform "American Spirit" with a gospel choir.

Kelley is known as formerly being in the chart-topping country duo Florida Georgia Line, alongside Georgia native Tyler Hubbard.

Lee Greenwood introduces Trump to RNC on Day 1 and 4, and performs on Day 2

Lee Greenwood is "a beautiful man," Trump said during his keynote speech on Thursday night. Greenwood has been a close ally of Trump over the years and sang three times this week at the RNC, twice to introduce Trump. On Day 1, Greenwood sang as Trump walked out for his first appearance since the assassination attempt on Saturday. And on Day 4, Greenwood sang "God Bless the USA" once again before Trump's speech, accepting the GOP nomination for president.

Chris Janson performs on Day 1 of the RNC

Country singer Chris Janson performed on Monday, joining the Nashville-based band Sixwire to keep the RNC crowd entertained. They played his single "All American Guy."