Coldplay fans go round in circles as Music of the Spheres tour sells out

The 320,000 who got tickets for Coldplay's Music Of The Spheres gigs in Croke Park will enjoy the, everyone else may as well have just gone around in circles. File picture: Peter Byrne/PA

Insanity.

Supposedly, some fella once said it was doing the same thing over and over again and expecting a different result.