Justin Moore is at number one on the Billboard and USA Today/Country Aircheck country singles charts with his breakthrough single, "Small Town U.S.A." The singer calls the accomplishment "extremely humbling," noting, quote, "There are a lot of great artists that never get to experience this feeling." Moore notes he's grateful to his fans and the radio stations that have supported the song, adding, quote, "This record has changed my year, my career, and ultimately...my life!" But even with the chart-topping success he continues to promote his music. Moore will be making an appearance on the syndicated "The Daily Buzz" on September 29th."Small Town U.S.A." is the second single from his self-titled debut CD, following the top 40 hit "Back That Thing Up."