Warzone is the most recent album by Yoko Ono released on 24 October 2018, her 50th anniversary as a musician. It consists of 13 songs she picked up and reconstructed from her past albums released from 1970 to 2009. It also includes the newest version of the 1971 song "Imagine" by John Lennon. Since Take Me to the Land of Hell in 2013, this is the Ono's first in five years and 20th original album in total (including collaborations with John Lennon). This includes a bonus track only for Japan. An English-born singer, Anohni listed Warzone as her favorite album of the 2010s.