Britnee Kellogg

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.

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.

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.

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 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 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.