Blackberry Smoke recently joined forces with the Black Crowes' Rich Robinson for a cover of a 20-year-old Crowes track.

The country rock group and Robinson played a version of "Wiser Time," off of the Black Crowes' 1994 album Amorica, during the Telluride Blues and Brews Festival in September. The band reached out to Robinson earlier this year to join them on stage, and the result is a six-minute jam session that feels straight out of the '70s.

"We just winged it," Blackberry Smoke's Charlie Starr tells Rolling Stone Country. "Everybody kind of knew it, and we mapped it out verbally beforehand -- like, 'You solo here, I'll solo there, and then everyone solos together at the end ...'

"We played "Wiser Time" because it's such a groove-oriented, almost Americana-type song, but all of the band's music is so great," Starr continues. "I'd venture to say that Rich is nowhere near being tired of playing those wonderful songs. People love 'em. And we are some of those people."

This isn't the first time that the two groups have collaborated with each other: The bands have a long history together, including when Crowes frontman Chris Robinson suggested the name Blackberry Smoke for the younger band. Regardless, covering a song by the Black Crowes is still a big honor for the guys of Blackberry Smoke.

"If you're gonna play a song by the Black Crowes, you need to bring your A game," Starr says. "Those guys were one of the best rock 'n' roll bands of the last 20 years. Whenever we do a Crowes song, I always think, 'Well, we better play it right.'"