Such birthday concerts are already a tradition, originating from the very old times. It was 1989, When the group was the first time celebrating its jubilee, the 10th anniversary. Already in the trophy. And then They made calendar jubilees less round, so a little with a grain of salt, but soon walking The juniper has stopped. Only the third cross on the neck of Jam caused the musicians to return to such a form Honoring the passage of time and your existence on stage. It was already a new Poland, a new Jem and the new Spodek, because two From the three great birthday benefis, it was there. The participants know about it, but also those who in Silesia At that time, it was missing, because each of these benefis had an effective audio/video documentation.