In October 2015, a three-day was held at Porgy & Bess in Vienna for the 50th birthday of Mats Gustafsson, saxophone player extraordinaire in contemporary (free) jazz with The Thing, Fire!, and various duo/trio/ensemble formations. Many collaborators of Gustafsson's were invited to join in various formations. The first three discs of the four-CD set were recorded October 26-28, 2014 at Porgy & Bess in Vienna by Mikael Werliin. The fouth disc was recorded October 26-28th, 2014 at "Strenge Kammer," Porgy & Bess, by Alexander Kasses. The discs are presented in a heavy cardboard box with two thick booklets including essays and many photos. Mixed in 2015 at Garnison7 in Vienna by Martin Siewert and Mats Gustafsson. Mastered by Martin Siewert in 2016. Photos by Petra Cvelbar and Ziga Koritnik. Artwork by Lasse Marhaug. Produced by Konstantin Drobil and Mats Gustafsson. Includes performances by Mats Gustafsson/Didi Kern, RISC (Billy Roisz/Dieb 13), Sven- Åke Johansson, Swedish Azz, Fake The Facts + Paul Lytton & Martin Brandlmayr, Christof Kurzmann/Sofia Jernberg, Fire! Plus guests, Klangforum Wien & Mats Gustafsson, TR!O + 1 (Günther Christman/Paul Lovens/Thomas Lehn/Mats Gustafsson), The Thing & Ken Vandermark, Kjell Nordeson, Per-Åke Holmlander, Agustí Fernández, Erwan Keravec, Christof Kurzmann/Ken Vandermark, and Anna Högberg.