Sound of the Underground (album) written with the aim of launching their own girl group. The song was originally recorded in 2001 by London girl group Orchid, who disbanded before gaining a firm record deal. It was chosen by Girls Aloud's manager Louis Walsh as their debut single. "Sound of the Underground" was 2002's Christmas number one single and spent a further three weeks at number one. "Sound of the Underground" and another Xenomania production, Sugababes' "Round Round", have been called "two huge groundbreaking hits", credited with reshaping British pop music for the 2000s. Following the single's success, Girls Aloud proceeded to begin recording their
Girls Aloud movie, "St Trinian's". They also made a cameo appearance in the film as the school band. The was released on 10 December 2007, and the video for "Theme to St. Trinian's" premiered in December 2007. In November 2008, Girls Aloud released their fifth studio album and would be their final studio album "Out of Control", which entered the UK Albums Chart at number one and became their most successful studio album to date, being certified double platinum. The album's lead single, "The Promise", became the group's fourth number one on the UK Singles Chart. The single also returned the group