According to artist Mayokun, this song came up as a revelation from the study of Psalm 46. In ancient times, great cities of the world built fortresses as a form of defense and/or refuge against enemy attacks.
“The Spirit of Christ confirmed in my spirit that truly the Lord Almighty is with me and the God of Jacob is my Fortress. I trust Him to reveal the same to you as you prayerfully listen. Enjoy!”