Guillermo Gregorio produces a series of compositions that reinterprets the structural concepts of Constructivism, Concretism, and Madi, focusing on the physicality of sound.

In 2000, saxophonist Mats Gustafsson and curator John Corbett organized a 16-piece free music big-band featuring key members of the Chicago and Swedish scenes, recording these two impressive, ecstatic, and explosive works.

Following their 2011 album on the Norwegian Hispid label, the quartet of clarinetist Frode Gjerstad, cellist Fred Lonberg-Holm, drummer Stale Liavik Solberg and vocalist Stine Janvin Motland perform two excellent extended improvisations at Galleri Sult in Stavanger.

Perhaps Norway's most creative multi-reedist Frode Gjerstad meets Chicago cellist Fred Lonberg-Holm for a series of freely improvised duets, a remarkable dialog from two tremendous improvisers.

The inimitable Frode Gjerstad in a trio with some of Chicago's finest, bassist Fred Lonberg-Holm and percussionist Michael Zerang performing live at Milwaukee's Sugar Maple, 2009.

Extraordinary reed player Gjerstad on alto sax and clarinet in a quartet with two cellos (Fred Lonberg-Holm & Amit Sen) and all around drummer Paal Nielsen-Love.