A box set documenting the October 2015 3-day event held at Porgy and Bess in Vienna for the 50th birthday of saxophonist Mats Gustafsson (The Thing, Fire! and innumerable duo/trio/ensemble formations) with a who's-who of collaborators invited to join in various formations.

Clean Feed's 2nd LP is their 4th Angles release, expanding saxophonist Martin Kuchen's band to 9 pieces with Mattias Stahl, Johan Berthling, Alexander Zethson, Mats Aleklint, Eirik Hegdal, Goran Kajfes, and Magnus Broo in an album of rare expressiveness and power.