The brand new tune came out on Kelsea Ballerini's new album 'kelsea', on March 20.  How did the relationship form? According to theboot.com,

he noticed her name on a scrolling billboard outside the Times Square venue. "[He] took a photo of it, got my number and sent it to me, and said, 'I'm so proud of you, hometown girl,'" she recalls.

 

Both Chesney and Ballerini hail from Knoxville, Tenn., and that made him an especially poignant duet partner for "Half of My Hometown." The song reflects on how Ballerini's relationship with her hometown has changed and deepened as she's gotten older, and how about half of the people she knew growing up stayed in East Tennessee, while the other half left.

Kelsea Ballerini with Kenny Cheseny - half of my hometown Lyrics

Half of my high school got too drunk
Half of my high school fell in love
With the girl next door
In their daddy's Ford
Half of my main street's mini skirts
Half of my main street's dressed for church
It could use some rain
And a fresh coat of paint

Half of my hometown's still hangin' around
Still talkin' about that one touchdown
They're still wearin' red and black
Go Bobcats, while the other half
Of my hometown they all got out
Some went north
Some went south
Still lookin' for a feelin' half of us ain't found
So stay or leave
Part of me will always be
Half of my hometown