- Hidden deep beneath the Cumberland Mountains in Grundy Country, Tennessee, lies one of the world's most magical musical adventures.

The Caverns Sessions.

Three million years in the making, Pure Acoustics offer music from the heart of the American experience.

Center stage and deep inside the mountain.

This time, welcoming The String Cheese Incident.

♪ Colorado bluebird sky ♪ It's deep down sound in The Caverns.

Coming up next!

[cheering and applause] [upbeat country music] ♪ Headed out on a Greyhound ♪ ♪ Just turned twenty-one ♪ ♪ Went to see what could be found ♪ ♪ Beneath the Western sun ♪ ♪ Colorado bluebird sky ♪ ♪ You can live a mile high ♪ ♪ Colorado bluebird sky ♪ [upbeat country music] ♪ Miles pass behind me ♪ ♪ With the things that I have done ♪ ♪ Left behind so I could find ♪ ♪ A place where I could run ♪ ♪ Colorado bluebird sky ♪ ♪ You can live a mile high ♪ ♪ Colorado bluebird sky ♪ [upbeat country music] [upbeat country music] ♪ I woke up this morning ♪ ♪ And the first thing I did see ♪ ♪ Was mountains rising to the sky ♪ ♪ On every side of me ♪ ♪ Waterfalls, canyon walls ♪ ♪ Windy down on main street ♪ ♪ Everybody that I meet ♪ ♪ They all want to show me ♪ ♪ Colorado bluebird sky ♪ ♪ You can live a mile high ♪ ♪ Colorado bluebird sky ♪ [upbeat country music] [upbeat country music] [upbeat country music] [cheering and applause] [gentle country rock music] [gentle country rock music] [gentle country rock music] ♪ Take time to give thanks, make time to be giving ♪ ♪ I'm gonna stop and think twice about the way that I'm living ♪ ♪ Did I say a kind word, am I proud of my actions ♪ ♪ Yeah, well a job well done gives me satisfaction ♪ ♪ Can I earn your trust, then your love and affection ♪ ♪ Just one step at a time, now in the right direction ♪ ♪ I'm gonna aim for the sky, keep my feet on the ground ♪ ♪ Raise my voice to the heavens, make a joyful sound ♪ ♪ Na na na na na na na na ♪ ♪ It's a joyful sound y'all ♪ ♪ Na na na na na na na na ♪ [gentle country rock music] ♪ Oh can I sing for my supper can I play for my rent?

♪ ♪ I know it sounds funny but it's how my time's spent ♪ ♪ Greet everyday with full purpose ♪ ♪ now with passion and pride ♪ ♪ I'm trying to follow my heart, have nothing to hide ♪ ♪ Ma-ma-ma, a moment of insight, I know why I'm here ♪ ♪ You know, the time just stopped, ♪ ♪ I see it all real clear ♪ ♪ I've got to set an example, make some mischief and fun ♪ ♪ Gotta do unto others and play a fat bass run ♪ ♪ (A fat bass run) ♪ [jazzy country rock music] [jazzy country rock music] [upbeat country rock music] [upbeat country rock music] ♪ Yeah, I gotta work hard every day and I'll give it my best ♪ ♪ Grab hold of fear and negativity ♪ ♪ and lay them to rest ♪ ♪ I know my time here's important ♪ ♪ Can I do the right thing?

♪ ♪ I practice patience and forgiveness ♪ ♪ feel the joy that they bring ♪ ♪ brrr bam bam ♪ ♪ Can I lay down tonight without feeling regret?

♪ ♪ You know the love that you give ♪ ♪ Becomes the love that you get ♪ ♪ Hey now!

♪ ♪ What I'm saying making any sense to you?

♪ [audience cheers] - Come on let's fill up this cave, come on, now!

Come on and sing too.

♪ Na na na na na na na na ♪ ♪ It's a joyful sound.

♪ - Let's hear you, let's hear you.

♪ Na na na na na na na na ♪ ♪ It's a joyful sound ♪ ♪ Na na na na na na na na ♪ [gentle country rock music] ♪ Na na na na na na na na ♪ - Here's where we bring it down.

♪ I don't want to sound preachy, make it feel all wrong, nuh-uh ♪ ♪ Wanna sing some kind lyrics, it's a feel-good song ♪ - Yeah.

[audience cheers] ♪ It's kind of hard to explain, it's just this feeling I get ♪ ♪ I'm makin' music, makin' love, and gettin' both feet wet ♪ [crowd cheering] ♪ Every piece to the puzzle snaps tight in the groove ♪ ♪ Close my eyes, breathe deeply and let both feet move ♪ ♪ Well, you know I feel a little better speaking your mind ♪ ♪ Good vibes and circulation, y'all see who they find ♪ [upbeat country rock music] ♪ Na na na na na na na na ♪ ♪ It's a joyful sound ♪ ♪ Na na na na na na na na ♪ ♪ (Na na na na na na na na) ♪ ♪ Na na na na na na na na ♪ [upbeat country rock music] ♪ Na na na na na na na na ♪ [upbeat country rock music] [upbeat country rock music] [upbeat electronic rock music] [upbeat electronic rock music] [cheering and applause] [cheering and applause] [upbeat electronic rock music] [upbeat electronic rock music] [upbeat electronic rock music] [upbeat country rock music] [upbeat country rock music] [upbeat electronic rock music] [upbeat jazzy rock music] [upbeat jazzy rock music] [rhythmic beat] [rhythmic beat] [upbeat electronic rock music] [upbeat electronic rock music] [upbeat electronic rock music] [upbeat electronic rock music] [upbeat jazzy rock music] [upbeat jazzy rock music] - Thanks a lot everybody.

We had a great time with you all this weekend.

Thank you so much.

[cheering and applause] - Thank you!

[cheering and applause] ♪ ♪