The oldest song on Vulnicura
, Björk originally wrote this in 2011 after her mother, Hildur Rúna Hauksdóttir, suffered a heart attack that left her in a coma for a week. In the two years that followed her mother's recovery, Björk underwent a surgery for vocal cord nodes (referenced in "Lionsong
") and ended her long-term relationship with media artist Matthew Barney, leaving her in an emotional mess. The Icelandic songstress found herself sinking like quicksand.