The song acts as both Crystal Castles and Health's debut singles in addition to being the first single from the album Crystal Castles.
It was re-written by Ethan Kath of Crystal Castles. The song contains prominent electro and chiptune musical characteristics.
The track was performed by Crystal Castles at All Points West Music & Arts Festival in 2009.
Alice Glass left the group in October 2014, and Crystal Castles was said to be disbanded, though new Crystal Castles music was posted online in 2015 featuring a new vocalist.
They are named after the lyrics "The fate of the world is safe in Crystal Castles" and "Crystal Castles, the source of all power" both from the theme song for She-Ra's fortress.
They are known for their melancholic lo-fi sound and their explosive live shows.