Sophie Barker is a singer best known for her work with the British downtempo group Zero 7. Sophie left University College London after two years to become a full-time singer, signing with Sony Records. She is the co-writer of the band's biggest hit, "Destiny", and sings the song alongside fellow vocalist Sia Furler. Barker also co-wrote and sang Zero 7 songs such as "In The Waiting Line" on the Zero 7 album Simple Things, which has sold more than one million copies worldwide, and also the song "Spinning". Barker also contributed to the follow-up Zero 7 album, When It Falls, co-writing the songs "Passing By" and "In Time."Barker released a solo album, Earthbound, in 2006, and also Lullaby, an album of soothing night-time songs for children, a collaboration with musician KK. Barker has also worked with the The Egg, electronica artists Grooverider and Groove Armada and the acid-jazz duo Muki. Barker was featured in a 2006 British Airways UK television campaign singing a version of John Denver's "Leaving on a Jet Plane". Sophie also features as a guest singer in Quiet Letters by Bliss.In 2009 she has also collaborated and provided vocals on the album entitled No One Built This Moment (Music for Dreams) by Bliss (band)