Two massive drone works for organ and pre-recorded tracks commissioned by Musica Festival Strasbourg for organist Hampus Lindwall, with tapes by Emanuel Schmelzer-Ziringer, each piece titled anagrammatically (ie. Nagro = Organ) and recorded with the composer at the Manufacture d'orgues Thomas and Orgelbau Klais organ in the Collegiale Sainte-Waudru, in Mons, Belgium.

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.