Blaine Bailey

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.

In the semi-final episode, the final four musicians perform an acoustic set with Keith Urban; country music duo Brothers Osborne make a special guest appearance; Keith Urban decides who goes home and which final three move on to the finale.

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.

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 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 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.