On April 15, 2015, Ethan Kath shared a new track titled "Frail" on SoundCloud, writing 'this is Edith on vocals'.
In late November 2015, Edith Frances played her first show as the other half of Crystal Castles in South Africa.
[14] On February 29, 2016, the band revealed that they aimed to release the album sometime spring of that year, and confirmed that the 2015 SoundCloud demos "Frail" and "Deicide" would be included on the record.
With the Concrete leak, fans discovered information about the album via Shazam, such as the title, track list, and cover art.
[17][18] On June 29, the band previewed a new track "Femen" with a teaser of the music video showing birds caught and struggling in mist nets via Vimeo.