The first night of CMA Summer Jam had Blake Shelton and Gwen Stefani and Carrie Underwood and Dwight Yoakam — but the second night had Miranda Lambert and Dierks Bentley and Brothers Osborne. The three acts joined together during Lambert's Wednesday night (July 28)-closing set to cover an Allman Brothers Band classic, "Midnight Rider."

Backed by Lambert's band, John Osborne took lead for most of the song, though TJ Osborne, Bentley and Lambert each offered up a few lines near the end. They always chimed in on harmony, too, a key part of the 1971 single, which never charted for the Allman Brothers Band but nonetheless became a favorite in their repertoire and been covered by numerous other artists.

Lambert, Bentley and the Osbornes' cover also offered John Osborne the opportunity to pull out a guitar solo. Readers can see the full performance below:

In addition to Lambert, Bentley and Brothers Osborne, the second night of CMA Summer Jam, which took place at Nashville's Ascend Amphitheater, also included music from featuring Florida Georgia Line, Gabby BarrettJimmie AllenJon PardiLuke Combs and Thomas Rhett. Tuesday night's (July 27) lineup featured Underwood, Yoakam, Shelton, Stefani, Mickey GuytonCarly PearceCole SwindellLainey Wilson and Luke Bryan.

ABC will condense the two nights of entertainment into a three-hour broadcast version of CMA Summer Jam, scheduled for a date to be announced, as the network has done with their annual CMA Fest broadcast in years past. For the second year in a row, CMA Fest was canceled in 2021 due to the COVID-19 pandemic.

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10 Hottest Songs for Summer 2021

Summer 2021 needs a great soundtrack, and country music's biggest stars and hottest newcomers are supplying. Find songs from Little Big Town, Jon Pardi, Dierks Bentley and Miranda Lambert on this 10 Hottest Songs for Summer 2021 list.

Newcomers Willie Jones and Walker Hayes also make the list with earworms we don't want to quit. Not every hot summer song needs to be a good-time party song, and not every good party song will make a great summer playlist. Our Top 10 embraces a range of emotions and experiences. What would summer be without summer love or summer heartache, or a bit of nostalgia?

Scroll down to see all 10 songs on this list of the hottest summer country songs. It's part of Taste of Country's summer Hot List, an annual report on the songs and artists set to bake this year.