The Final 4 finalists will perform LIVE for the nation, vying for the AMERICAN IDOL crown. The contestants will sing their hearts out in hopes of winning America's vote and surviving another week in the competition. Tonights Themes are: Country Music & Kenny Gamble and Leon Huff songs. Performing Tonight is: Anthony Fedorov, Harold "Bo" Bice, Carrie Underwood, Vonzell Solomon