“Usurper.” by Coin Locker Kid
Music source: http://freemusicarchive.org/music/Coin_Locker_Kid/The_Ghost_Sonata/Coin_locker_kid_-_The_Ghost_Sonata_-_07_Usurper
Music licence: http://creativecommons.org/licenses/by/4.0/
Artwork by Sir Cornelius Lockwood.