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 HaggardAmy Chappell :"Walk Softly On This Heart of Mine" - Bill MonroeBrandi Gibson:"Drinkin' My Baby Goodbye" - The Charlie Daniels BandJohn Arthur Martinez:"Roly Poly" - Bob WillsMiranda Lambert:"Texas (When I Die)" - Tanya TuckerTravis Howard:"Six Days on the Road" - Dave DudleyJamey Garner:"Rollin' In My Sweet Baby's Arms" - Tammy Wynette and George JonesPrentiss Varnon:"Milk Cow Blues" - Bob WillsTasha Valentine:"Little Sister" - Elvis PresleyBuddy Jewell:"Gimme Three Steps" - Lynyrd Skynyrd