The space theme runs throughout the album, starting with the title and cover art. Five of the twelve tracks on Music Of The Spheres are also represented by predominantly cosmic emojis this time around. Coldplay fans might find this familiar. In addition, the band showed the audio visualizer video for their song "Higher Power," which they themselves described as a form of "extraterrestrial transmission," to French astronaut Thomas Pesquet of the European Space Agency aboard the International Space Station (ISS) before it was officially released.