Sacred Trust / After You're Gone competed for the number one position in the Christmas week issue of the UK Singles Chart, and Girls Aloud came out on top with their song "Sound of the Underground". Girls Aloud later released their own version of "Sacred Trust" on the rarities disc of their 2006 greatest hits album "The Sound of Girls Aloud". "Sacred Trust / After You're Gone" debuted at number two on the UK Singles Chart on December 22, 2002, the same day that their rivals Girls Aloud reached number one with "Sound of the Underground". The single sold 147,000 copies compared to first week sales
Chemistry (Girls Aloud album) "Long Hot Summer", released in August 2005 as a "buzz" track to regenerate interest in the girls. The song was earmarked for release on the soundtrack of the 2005 film "". The plans fell through, but the music video had taken inspiration from the movie's car theme and Girls Aloud portrayed mechanics. The song wasn't as well received by critics, and it became their first single to miss the top five. The follow-up "Biology" was critically acclaimed and saw Girls Aloud return to the top five. Peter Cashmore, writing for "The Guardian", described "Biology" as "the best pop single of