Situated at the core of this unique natural scenery, at the bottom of a huge volcano crater, 300 meters in diameter, at the remote island of Nisyros, 15 musicians engaged in an unprecedented experiment, creating a lengthy improvisational music piece that was composed on the fly. The event started at sunset on Thursday 18th of August at 19:58 and concluded 634 minutes later, at sunrise at 06:32 on the morning of Friday 19th of August...