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 "The Guardian" labeled it "the best pop single of the last decade". The release was followed by a cover of Dee C. Lee's "See the Day", released in the Christmas week of 2005., following this they presented one-off TV Special, Christmas Mania, on ITV, where they sang songs taken from their Christmas album. Girls Aloud won the Heart Award for the single at the O Silver Clef Lunch. The group travelled to Australia and New Zealand in February 2006 to release "Biology" and "Chemistry". Despite, a one-week promotional tour, "Biology" peaked at number twenty-six on the ARIA Singles Chart, failing