Miranda Lambert's concert at Nashville's 3rd and Lindsley on Tuesday night (July 28) was a grand slam in every way, including her first-ever live performance of "Another Sunday in the South."

Lambert wrote the tune -- the last track on her newest album, Platinum -- with Jessi Alexander and Ashley Monroe.

"We love '90s country so much, and we miss it ...," Lambert explained to the packed house before performing the tune. "We wrote this, and we tried to fit as many country titles as we could ... If you don't think it's cool, don't tell us because we think it's cool."

The song pays tribute to Shenandoah's No. 1 hit "Sunday in the South," and it also features the country group's Marty Raybon, who tells Billboard that when he got the call to sing on Lambert's record, he thought it was a joke.

"I hear the track, which Miranda had already put her vocal on, and for the first time, I thought they were serious," Raybon recalls. "I called him back and said, ‘This is really cool. Is this really going on Miranda’s record?' He said it was, and I asked him what he wanted me to do. So I came up to Nashville, and we played with it.

"To be honest with you, I sat there totally in amazement that I was part of it," he adds. "I don’t want to use the word surreal because I think it’s become a buzzword that has gotten to be way overused. But there really was a sense that it wasn’t really happening. Then I get a copy of it mixed down, and I thought it was killer.”

When Lambert played the song during her Music City show, she wore a broad grin throughout and poured her laid-back vocal confidence into the lyrics: "Just another Sunday in the South / Wanna put on some Shenandoah / And crank it loud / You and me go fishin' in the dark / Killin' time with Restless Heart / Just another Sunday in the South."

Throughout the evening, Lambert's hits were interspersed into the setlist of the guitar pull-style show. "Baggage Claim," "White Liar" and "Automatic" all made appearances, as did Little Big Town's Karen Fairchild, who performed "Girl Crush" and "Smokin' and Drinkin'" with Lambert. Other guests included RaeLynn, Clare Dunn, Courtney Cole and songwriters Natalie Hemby, Alexander and more.

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