Sound of the Underground (song) Spinner.com named "Sound of the Underground" the eighth best British song of the 2000s. "Sound of the Underground" debuted at number one on the UK Singles Chart on 22 December 2002. Girls Aloud sold just over 213,000 copies, while One True Voice's "Sacred Trust" sold only 147,000. Girls Aloud stayed at number one for a second and third week, the final chart of 2002 and the first chart of 2003. The single spent another week at number one, bringing "Sound of the Underground" to a total of four consecutive weeks at number one in the UK. It spent two weeks
Girls Aloud to break the group in the Australian market. "Whole Lotta History", the fourth and final single to be taken from "Chemistry", was released in March 2006 and charted at number six. In 2005, Girls Aloud filmed a one-off documentary entitled "" for ITV2. The success of the show later made way for "", a six-part fly on the wall documentary series for E4. Girls Aloud then appeared in an episode of "Ghosthunting with..." (without Nadine) towards the end of 2006, in which Yvette Fielding guided them through haunted locations. In May 2006, Girls Aloud embarked on their first arena tour,