This week on Nashville Star, we said goodbye to two more contestants and watched 11 amazing performances intended to show us which styles of country music influenced the performers. Brandon Silveira: "I Think I'll Just Stay Here and Drink" - Merle Haggard Amy Chappell : "Walk Softly On This Heart of Mine" - Bill Monroe Brandi Gibson: "Drinkin' My Baby Goodbye" - The Charlie Daniels Band John Arthur Martinez: "Roly Poly" - Bob Wills Miranda Lambert: "Texas (When I Die)" - Tanya Tucker Travis Howard: "Six Days on the Road" - Dave Dudley Jamey Garner: "Rollin' In My Sweet Baby's Arms" - Tammy Wynette and George Jones Prentiss Varnon: "Milk Cow Blues" - Bob Wills Tasha Valentine: "Little Sister" - Elvis Presley Buddy Jewell: "Gimme Three Steps" - Lynyrd Skynyrd