One True Voice were sometimes referred to as OTV for short, was made up of – One True Voice One True Voice were a short-lived British boy band created on the ITV television series "" in which pop groups of both genders created through a public vote would contest the UK Singles Chart for the 2002 Christmas number one single. In the contest, One True Voice with their No. 2 double A-side "Sacred Trust / After You're Gone" lost out to girl group Girls Aloud and their No. 1 single "Sound of the Underground". One True Voice released a further single in 2003
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