Known best for his Chicago trios, Argentinian born clarinetist Guillermo Gregorio joins forces with New York contrabassist Brandon Lopez for 12 "episodes" of free improvisation that never loses track of a jazz basis, both players using an arsenal of techniques, from circular breathing to extracting sound from the physical forms of their instruments.

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

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