Cheryl (singer) first contestant to qualify for the girl group, and was joined by Nadine Coyle, Sarah Harding, Nicola Roberts and Kimberley Walsh to form Girls Aloud, following the final public vote. The group's debut single "Sound of the Underground" peaked at number one on the UK Singles Chart, becoming the 2002 Christmas number one over boy band One True Voice's "Sacred Trust / After You're Gone". Girls Aloud hold the record for the shortest time between being formed as a band and achieving a number one single. Girls Aloud released their debut album "Sound of the Underground" in May 2003, which
Wake Me Up (Girls Aloud song) "Chemistry" album track "Wild Horses". It was also performed during 2007's The Sound of Girls Aloud: The Greatest Hits Tour. On 2008's Tangled Up Tour, "Wake Me Up" was performed in a medley with "Walk This Way", and on 2009's Out of Control Tour, the song was included in a greatest hits medley which closed the concerts. In 2013, the song was performed during the . These are the formats and track listings of major single releases of "Wake Me Up". On the week ending on 27 February 2005, "Wake Me Up" debuted at number four on the UK Singles