EKG: planned 10" vinyl record, never materialized, released in 2008 in MP3 format as part of WFMU's Free Music Archive
Sound Safari: Bath, Maine, led by Sharon Lockhart and Ernst Karel, recorded by a group of Harvard students over the course of a long March 6, 2008, in Bath, and edited collaboratively:
From Relay Signals (Lucky Kitchen 026). Ernst Karel (analog electronics)/Tim Daisy (percussion), recorded summer 2003.
Fern Room: stereo version of a through-composed quadraphonic sound installation in the Fern Room of the Lincoln Park Conservatory, November 8, 2001 - January 6, 2002, commissioned by Experimental Sound Studio for the Florasonic sound installation series and presented in conjunction with the Outer Ear Festival of Sound. This stereo version was originally released in 2002 in a limited edition of 50 CDRs on BOXmedia in 2002, and re-released on JMY in 2023.
'Apostrophe', trumpet and analog modular electronics, on the compilation Simmer: New Electronic Music from Chicago,
released in an edition of 200 CDRs with hand printed covers on BOXmedia in 2001.
The compilation Winter Construction (Dead CEO, 2001) containing tracks by Ernst Karel/Brent Gutzeit/Jason Soliday and Boris Hauf/Ernst Karel/Michael Hartman (OrErAr) is available on freemusicarchive.org.
EKG's debut recording, Shift or latch, a 3" CDR released by Crank Satori in 2001, is out of print, but available at the jokebux.klingt.org.
A selection from Shift or latch is included in this mix by Mike Shiflet of music from 3" CDRs (EKG is at 34:00):
trumpet on Electric Pocket Radio, The Incredible Moses Leroy (Ultimatum/Artemis, 2001)
Live recording of Ernst Long and Brent Gutzeit live at the Nervous Center, Chicago - 05.10.99.
From Brent Gutzeit's Living under a thin film (1999), featuring collaborations with Ernst Karel, Kevin Drumm, Jim O'Rourke, Tetuzi Akiyama, Todd Carter, and others, available to stream or download at brentgutzeit.bandcamp.com.
Television Power Electric, from a session recorded 25 October 1998 at ODUM, Chicago, with Jim Baker, Aeron Bergman, Todd Carter, Brent Gutzeit, Michael Hartman, Ernst Long Karel, R. Wilkus, and Otomo Yoshihide (Kuro Neko Music)
From the 1995 cassette Feedback Nation, released on Animist Recording. Patrick Barber (bass) and Ernst Karel (trumpet, electronics).
From the 1993 cassette Innards, released on Apraxia Music Research. Jeph Jerman (drums and guitar), Ernst Long (amplified trumpet), and Patrick Barber (bass). Recorded at Les Studios Magnetophone Incroyable in Seattle.
Explicit Catharsis, Blowhole's 1994 (or so) cassette released by Union Pole, from Olympia, Washington, is now available, with cover image and track names, on Union Pole's website. Side A is the NW group, and Side B is mainly electrified trumpet and bass duos (Ernst Karel/Patrick Barber) from a live performance which may have taken place in Vancouver BC.