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.

The full two-hour performance of Cornelius Cardew's entire 193-page legendary Treatise graphic score, performed at Iklectik in London, England on January 28, 2017 in an 11-member ensemble of some of London's most interesting improvisers including participants in Scratch Orchestra, in a double CD release with liner notes by AMM founder Eddie Prevost.