American Idol (season 4) numbers for the contestants. The result show was moved to Thursday." The compilation album for this season was performed by the top twelve finalists. "Source: Idolsmusic.com" American Idol (season 4) The fourth season of "American Idol" premiered on January 18, 2005 and continued until May 25, 2005. It was hosted by Ryan Seacrest. Randy Jackson, Paula Abdul and Simon Cowell also returned to judge. Carrie Underwood won the season with approximately 500 million votes cast in the season and 37 million for the finale. Underwood has since gone on to become a seven-time Grammy-winning country megastar. While in the past
American Idol United States 10% more likely to watch "American Idol" during the eighth season in 2009, and those in the East Central region, such as Kentucky, were 16 percent more likely to tune into the series. Data from Nielsen SoundScan, a music-sales tracking service, showed that of the 47 million CDs sold by "Idol" contestants through January 2010, 85 percent were by contestants with ties to the American South. Theories given for the success of Southerners on "Idol" have been: more versatility with musical genres, as the Southern U.S. is home to several music genre scenes; not having as many opportunities