In Memphis, the musicians stop at St. Jude Children's Hospital for a charity show before their concert to determine the final four artists who make it to Nashville; Little Big Town founding member Karen Fairchild joins Keith Urban in the audience.

The six musicians put on an acoustic performance to honor the military, featuring a special acoustic set from Keith Urban, with country music star Jordan Davis also appearing.

The tour bus rolls into Tulsa, Oklahoma, for a concert at the iconic Cain's Ballroom; country artist Dustin Lynch sits in with Keith Urban; the seven musicians are divided up to perform two group covers before performing their originals.

The showdown at the Oklahoma Ranch continues when the second group of five musicians take the stage; with power performances from Adam, Channing, Britnee, Billie Jo and Briana, these talented road rivals push to outdo each other.

The tour bus catches up with Keith Urban and Blake Shelton in Oklahoma City, where the remaining nine musicians continue their pursuit of stardom; Gretchen Wilson takes the stage to perform her hit song "Here for the Party."

The second group of musicians take the stage as they battle it out during another night of dynamic and emotional performances; the musicians give an inside look into how they choose original and cover songs.

The remaining 11 musicians board the tour bus bound for Dallas, where the crowds are bigger and the stakes are higher; split into two groups, they'll open for Keith Urban across two nights at The Factory, performing both covers and original songs.

One musician is sent home, while the remaining 11 earn a coveted seat on the tour bus and begin a thrilling 10-week ride through the highs and lows of touring.