The contest entry process begins early in the year, when bands submit a three-song CD to a panel of judges, typically due in late April. During the first three years of the contest, this panel selected the eight national finalists. For every year since then, the judging panel selects 18 US bands to participate in one of three qualifying US regional "Battles" which are held in the summer. Locations for the US regional contests vary from year to year—the 2007 regionals were held in Nashville, Tennessee, Los Angeles, and Austin, Texas. In 2008 a European regional was added for the first time, in London, UK. Six bands from around Europe are selected for the European regional.