The group also includes his nmperign partner Greg Kelley on trumpet, Mike Bullock on double bass, James Coleman on theremin, Chris Cooper on prepared guitar, Vic Rawlings on cello & electronics, Howard Stelzer on tapes, and Liz Tonne on voice. The group has released one CD on Grob entitled "Good" (2003) and has collaborated a number of times with pianist Steve Drury and his Callithumpian Consort (performing graphic scores by Stockhausen, Cardew and Christian Wolff), as well as with composer Christian Wolff in a realization of his graphic score, Edges. In 2010, the group released "23% Bicycle and/or Ribbons of the Natural Order", a download-only release which was made available by posting a tweet or "liking" it on Facebook. In 2004, Damon and Naomi, via their mutual friends at Twisted Village, invited nmperign to play on a bill with them and subsequently to play on their new album, which would be the first on their own 20|20|20 label. Rainey and Kelley appeared on a number of tracks on their 2005 album "The Earth is Blue" and also began performing live with the duo and guitarist Michio Kurihara. Rainey became a touring member of the group and has performed with them throughout the United States, Europe and Japan. Both Kelley and Rainey have appeared on subsequent recordings with Rainey handling all the string and horn arrangements on their 2007 album "Within These Walls". A seeming anomaly in the discography of nmperign is the 2003 CDr release "Salt Peanuts" released on American Tapes. Released in an edition of 80, the recording showcases 12 maniacal takes of the "head" section of the title standard as well 12 takes of the "head" of "Donna Lee". Apparently the result of some good-natured heckling by John Olson and Aaron Dilloway of Wolf Eyes at the 2003 De Stijl/Freedom From Festival in Minneapolis, the recording showcases nmperign's sense of humor and conceptual rigorousness. Despite the fact that the title of their first album was not a reference to John Cage (but simply the total time of the album divided by the number of tracks), nmperign has used a number of literary and other references in their titles, ranging from Marguerite Duras' "The Malady of Death" and "Four Novels", Georges Bataille's "Poems", Zen Master Eihei Dogen, a book of interviews with Jean-Luc Godard, Herman Melville's "Pierre; Or, the Ambiguities", a box of Chinese tea, The Doors and micromosaic artist Henry Dalton.