Chapter One (Ella Henderson album) Digital Spy, Henderson said that, "I wanted each song to explain a situation, and then [for] the next song [to] kind of get you through that. I write very openly and lyrically, so it's very much like an open diary. I had to make sure it runs like that. It took me a while to get the tracklisting right, but I'm happy with it now." On 15 June 2014, the same day as her debut single "Ghost" went to number one in the UK, Henderson announced the album's release date as 22 September 2014 through a series of tweets, posting
Sigma discography from the album. The song peaked to number one on the UK Singles Chart. In July 2014, Sigma released the single "Changing" featuring vocals from Paloma Faith as the second single from the album. The song became their second consecutive number one single in the UK. "Higher" featuring vocals from Labrinth was released as the third single from the album. The song premiered on Annie Mac's Radio 1 show on 16 January 2015 and peaked to number 12 on the UK Singles Chart. On 24 July 2015, "Glitterball" featuring vocals from Ella Henderson was the fourth single from their debut