Erstwhile 22: Graham Lambkin/Jason Lescalleet, nmperign/Sean Meehan, Bhob Rainey/Jason Lescalleet - Issue Project Room, NYC, 5/24/08 (record release concert)
Erstwhile 21: ErstQuake 3 - Tonic, NYC, 9/28/06 - 10/01/06
Erstwhile 20: ErstQuake 2 - Collective: Unconscious, NYC, 9/23/05 - 9/25/05
Erstwhile 19: Keith Rowe/Toshimaru Nakamura - Amann Studios, Vienna, Austria, 7/1/05
Erstwhile 18: AMPLIFY 2005: union - Prague, Czech Republic, 6/25/05
Erstwhile 17: ErstQuake 1 - Clemente Soto Vélez Cultural Center, NYC, 9/17/04 - 9/18/04
Erstwhile 16: Keith Rowe/Christian Fennesz solos and duo - Tonic, NYC, 5/27/04 (record release concert)
Erstwhile 15: AMPLIFY 2004: addition - Stadtgarten, Cologne, May 6-8, 2004, and Backfabrik, Berlin, May 14-16, 2004
Erstwhile 14: Jason Lescalleet/Tim Barnes, Julien Ottavi/Dion Workman - BPM, Williamsburg, NYC, 8/30/03
Erstwhile 13: eh, Siewert/Brandlmayr, Efzeg, Kaffe Matthews - Galapagos, Williamsburg, NYC, 5/1/03
Erstwhile 12: AMPLIFY 2003: elemental - Tonic, NYC, 2/6/03-2/7/03
Erstwhile 11: Burkhard Stangl/Dieb 13 (world premiere, with live visuals by Billy Roisz) - Tonic, NYC, 12/7/02
Erstwhile 10: AMPLIFY 2002: balance - Star Pine's Cafe, Tokyo, 10/18/02 - 10/20/02
Erstwhile 09: Keith Rowe/Günter Müller/Taku Sugimoto - Tonic, NYC, 2/2/02
Erstwhile 08: Greg Kelley/Jason Lescalleet/Giuseppe Ielasi/Domenico Sciajno - Tonic, NYC, 1/14/02
Erstwhile 07: John Butcher/Phil Durrant - Experimental Intermedia, 12/11/01
Erstwhile 06: AMPLIFY 2001: mainsine (Otomo Yoshihide, Sachiko M, Günter Müller, Voice Crack, Erik M) - Tonic, NYC, 5/14 - 5/15/01
Erstwhile 05: Lê Quan Ninh/nmperign, Tonic, NYC, 11/13/00
Erstwhile 04: Stilluppsteypa/TV Pow - Tonic, NYC, 10/30/00
Erstwhile 03: Burkhard Stangl/Christof Kurzmann and Dean Roberts/Werner Dafeldecker - Tonic, 5/24/00
Erstwhile 02: Thomas Lehn/Gerry Hemingway - Experimental Intermedia, 3/11/00
Erstwhile 01: Haunted House - Downtown Music Gallery, 8/29/99