"Off & On" is a pop

Pop music

Pop music is usually understood to be commercially recorded music, often oriented toward a youth market, usually consisting of relatively short, simple songs utilizing technological innovations to produce new variations on existing themes.- Definitions :David Hatch and Stephen Millward define pop...

 song released by British singer-songwriter Sophie Ellis-Bextor

Sophie Ellis-Bextor

Sophie Michelle Ellis-Bextor is an English singer, songwriter, model and occasional DJ. She first came to prominence in the late 1990s, as the lead singer of the indie rock band Theaudience. After the group disbanded, Ellis-Bextor went solo, achieving widespread success in the early 2000s...

 as the fifth overall single from her fourth studio album, Make a Scene. It was released on 11 April 2011, exclusively in the Russian Federation as a digital download, a week before the release of the album there. Ellis-Bextor apeared on various talk shows in the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 to promote the song, including The Rob Brydon Show

The Rob Brydon Show

The Rob Brydon Show is a British talk show hosted by comedian Rob Brydon. The first series started on 17 September 2010 and consists of six regular episodes, a compilation episode and a Christmas special...

, despite it not being released as a single there.

Background

"Off & On" was produced by Calvin Harris

Calvin Harris

Calvin Harris is a Scottish singer-songwriter, record producer and DJ. His gold-selling debut album, I Created Disco, was released in 2007 and contained the top ten singles "Acceptable in the 80s" and "The Girls"...

. The song was penned with songwriter Cathy Dennis

Cathy Dennis

Cathy Dennis is a British dance-oriented pop singer-songwriter, record producer and actress...

, and was first recorded by Irish singer Róisín Murphy

Róisín Murphy

Róisín Marie Murphy is an Irish singer-songwriter and record producer, known for her electronic style.Murphy first came to note as part of the electronic music duo Moloko. Her partner in the band was then-boyfriend Mark Brydon. After the two ended their romantic relationship, Murphy released her...

 for her album Overpowered; however, it was cut from the final track list. It was then offered to Ellis-Bextor, who subsequently recorded her own version. Of the song, Ellis-Bextor stated: "Ordinarily I'm a bit squeamish about taking on songs that I didn't write. But I think you've always got to think that you can bring something to it." A demo version was added to Ellis-Bextor's MySpace in July 2009, alongside "Heartbreak (Make Me a Dancer)". The single was exclusively released in the Russian Federation, a week prior to the release of the album there.

Charts

Chart (2011)	Peak position
Russian Singles Chart Russia Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...	49