Their first release in 2000 performing Cornelius Cardew's "Treatise", for 20 years the Formanex quartet of sound artists, conceptualists and experimenters Anthony Taillard, Christophe Havard, Emmanuel Leduc, and Julien Ottavi are heard here in collaborations with Keith Rowe, Kasper T. Toeplitz, Ralf Wehowsky, Seth Cluett, Michael Pisaro, Radu Malfatti, &c.