Desert Trip fes­ti­val, in the Cal­i­for­nia desert: some of the heavy­weights from my teens in one palm-tree-fringed, sun-soaked par­adise. Nor­mal­ly I steer clear of any­thing of this ilk but nev­er­the­less this sound­ed some­what appeal­ing. I remind­ed myself that I’d far rather hang out at my sort of UK fes­ti­vals, hear­ing plen­ty of emerg­ing artists in a friend­ly atmos­phere, all…