These excerpts of their beautiful scan processor studies have just been published. Brian O'Reilly explains:

The source materials were generated by Woody using a Rutt-Etra Scan Processor in the 1970's and sat on a shelf for years, having been recently digitized. Woody came into my studio one day and asked me if I would be interested in using them to work on a collaboration, and the project began from there...

The works use sources excavated directly from the output of the Scan Processor, as well as further manipulations using Tom Demeyer's ImX software, developed with input from Steina. Extensive editing and layering and additional augmentations were done using Phil Mortons IP. The Sound was generated (mostly) by custom software developed by Chandrasekhar Ramakrishnan and myself called NETHER GENERATOR, which sets up a number of complex real time feedback networks filtered and processed by various means.

Via Motiongrapher.