Chris Martin has a plan. Moon Music is the 10th of an envisioned 12 albums from Coldplay (one of which will be an animated musical), which he suggested in a recent interview will make sense of their artistic journey from fragile indie hopefuls to the most popular British band of the 21st Century that has sold out stadiums across the world.

Their quirky streak has been on display on the band’s ongoing Music of the Spheres tour, which brims with singing puppets and dancing aliens – and ends with the audience putting on 3D glasses (it’s a rock concert – isn’t it 3D already?