The only single release from Welcome to the Dance, it was the last single to feature founding member Benaissa who left the group in September 2010 following her suspended sentence. While it completely failed to chart in Switzerland, the song became the band's first leading single to miss the German top five on the national chart. 'One Life' debuted at number fifteen on the German singles chart, making it the band's fifteenth top twenty entry there, and number twenty-nine on the Ö3 Austria Top 40. Pölten, Austria on Jand eventually released as the album's leading single on CD maxi single and as a digital download on Augin German-speaking Europe. Well received by critics, who commended on the group's musical development, it was premiered live at a concert in St.

Musically, 'One Life' introduced a change in sound for the quartet, as the track took the band's work further into the contemporary dance-pop and electropop genre predominantly associated with the introduction of the Welcome to the Dance album. Produced by Bell and Dunkley, featuring additional production by The Messengers, consisting of Atweh and Messinger, the anthemic, self- manifesto song was created as a request to celebrate life, featuring autobiographical elements lyrically.

It was written by American musicians Nasri Atweh, Hakim Bell, Adam Messinger, Akene 'The Champ' Dunkley, and group members Nadja Benaissa, Lucy Diakovska, Sandy Mölling, and Jessica Wahls for their fifth regular studio album Welcome to the Dance (2009). ' One Life' is a song by all-female German pop band No Angels.

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