This week on Nashville Star, our contestants proved their mettle and stepped the competition up a notch by performing their original songs. Brandi Gibson: "I'm Gonna Make It" - original Buddy Jewell: "Help Pour Out the Rain (Lacey's Song)" - original Miranda Lambert: "Greyhound Bound for Nowhere" - original Brandon Silveira: "Life Don't Get Much Better Than This" - original John Arthur Martinez: "Everything I Never Knew I Wanted" - original Amy Chappell: "No Turning Back" - original