They all loved going to the rock music concerts. Not to any one, but especially to those filled out with lights, traveling lights. The lights pulsated toward the rhythms of the music and created shadows that were even more powerful that the lights and music. ''Why do we like the lights so much?'' Birol once asked. ''It must be related to the Stonehenge, which has been going through daily time changes for so many ages,'' said Javi.