Immortal Is A Promotional Single By Marina Diamandis Released Under Her Previous Stage Name 'Marina And The Diamonds'. Appearing On Her Third Studio Album FROOT It Is The 12th And Final Track On The Album And Was Released Promotionally As The 3rd 'FROOT Of The Month'. The Song Was Written By Marina Alone And Produced By David Kosten. Immortal Was Represented By A Blueberry In The 'FROOT Of The Month' Campaign And Paired Alongside Blue On Marina's Website During The Era. Marina Was Inspired To Write The Song After Visiting A War Memorial In Poland After Someone Said To Her "It's Not A Very Beautiful Memorial But It Deserves To Be Visited To Keep Their Memory Alive."