Variable pricing is the way to go. Give your goods away in one form but charge top dollar for a premium version

From rock legends Pearl Jam and Queens of the Stone Age to young guns Haim and Kodaline, the music calander is brimful of exciting happenings over the next few months. Here are 20 of the best upcoming shows and releases

After years in the wilderness plotting pyramids, watches and supercars, the dance-music pioneer Giorgio Morder is back in the electronic limelight