NASHVILLE, Tenn. — Reba McEntire had never seen anything like it in a career that's spanned nearly three decades.

When country music's entire cast of luminaries leapt to their feet in the middle of the Zac Brown Band's cover of "The Devil Went Down To Georgia" during last year's Country Music Association Awards, it was a defining moment for a band that has earned its fame one fan at a time on the road.

The Zac Brown Band is riding some serious momentum with an in-demand live show, three No. 1 singles, a recent Grammy win and two albums in Billboard's country top 10.

The six-piece will enjoy the highest visibility it has seen this summer, starting with two prime festival performances this weekend, including Bonnaroo.