It is the official rubberband chart. The Christmas songs vanish and TWANG everything else pings back into place as if the last few weeks were nothing more than a bad dream. It means the path is finally clear for Stormzy to land his third Number One single in the past 12 months. And only serves to make Ed Sheeran even more famous than he already was. Plus some unexpected rule changes and some rather startling albums chart removals.