Garth Brooks and Trisha Yearwood helped make the upcoming 4th of July holiday extra special for a pair of U.S. astronauts who are currently living and working on the International Space Station.

The superstar country couple broadcast a special episode of Inside Studio G on Facebook Live from NASA’s Mission Control in Houston to talk to astronauts Peggy Whitson and Jack Fischer. Brooks has a longtime interest in space exploration, and he was moved to tears when Fischer recounted the story of how Brooks' "The River" was played for him the first time he was on the launch pad.

Brooks co-wrote the song with Victoria Shaw, and it scored him his ninth No. 1 hit when he released it as the fifth single from Ropin' the Wind in 1991. The lyrics exhort listeners to follow their dreams: "I'll never reach my destination f I never try / So I will sail my vessel 'til the river runs dry."

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Yearwood got to surprise Fischer by bringing out his wife and daughter during the live uplink before Brooks and Yearwood ended their time together with a live acoustic performance of "The River." The astronauts, who were both wearing American flag socks in celebration of the 4th of July, did somersaults as they said goodbye to their new friends.

Brooks and Yearwood are continuing their three-year world tour, and they will give fans in Atlanta the first-ever concert at the new Mercedes-Benz Stadium on Oct. 12. Brooks has also announced plans to release a live album from the tour.

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