Caleb Johnson rocked out to Carrie Underwood's "Undo It":

C.J. Harris tackled some Zac Brown Band:

And, Jessica Meuse killed Dolly Parton's "Jolene" - Wait to till she hits that high note at the end. Nice.:

Even Alex broke out his Country with a Willie song:

Last night…your top six “Idols” set the stage on fire and America had to make the most grueling decision of the season. Be there, as the lights are dimmed and the dream ends for one performer. The top five are revealed live! It’s an “American Idol” elimination you can’t miss! After a new “Hells’ Kitchen”. Tonight, starting at 7pm on FOX!