2010.....the Eternals "Approaching the Energy Field" .............James Falzone's Allos Musica "Lamentations" w/Ronnie Malley 2009.....Gypsy Rhythm Project "Beat Nomad" w/Nicolae Feraru 2008.....John Erickson "A Feeling of Christmas" w/Pat Williams,Mike Austin .............Steve Gibons Gypsy Rhythm Project "Live at the Green Mill" DVD .............Mike Frost Project "Live" (BluJazz) .............Lauren Frost "words for the birds" (Snowgirl) w/ John Ovnick .............Steve Ramsdell "Looking For..." w/Grazyna Auguscik,Spider Saloff 2007.....Grace Chicago Consort "Sounding Grace" w/James Falzone .............Dan Phillips Trio "Destination Unknown" w/Krzysztof Pabian .............Alain Quinn "When God Made Woman" .............Rob Denty Quartet "Round and Round" w/Tom Vaitsas,Corey Biggerstaff .............James Falzone's Allos Musica "the Sign and the Thing Signified" .............the Flatlands Collective "Gnomade" (Skycap) w/Jorrit Dijkstra .............the Eternals "Heavy International" (Aesthetics)

2006.....Wood to Water (s/t) .............Mike Frost Project "Comin' Straight at Ya" (Blujazz) w/Mike Frost,Bill Boris .............Brahms' 3rd Racket "Highlights from the Peloponnesian Wars" .............Bajeczna Menazeria (s/t) .............the Eternals "High Anxiety" remixes by Grape Dope,Prefuse 73

2005....Joe Fournier Quartet "Calder's Circus" w/Carter Luke,Jon Paul .............the Eternals 45" (Gold Standard Labs) .............Brokeback "Summer Rarities" (Thrill Jockey) w/Doug McCombs,Noel Kupersmith 2004.....Rupert Pupkins .............Tim Tobias Trio "Speaking in Tongues" (Beachaus) w/Eric Hochberg .............Ella Leya "Russian Romance" (B-Elite) w/Fareed Haque,Larry Gray .............the Eternals "Rawar Style" (Aesthetics) .............John Fournier "Drinking in Airports" (LunaDisc)

2003.....Sinister Luck Ensemble "Recurring Dream" live at Old Town School .............Delmark Records "50 Years of Jazz" (Delmark) .............Mike Frost Project "Nothin Smooth About It" (Blujazz) w/Tom Vaitsas .............Sinister Luck Ensemble "All Our Secrets Are the Same" w/Andrew Bird,Rob Mazurek,Glenn Kotche 2002.....Territory Band-2 "Atlas" (Atavistic) w/Ken Vandermark,Paul Lytton,Kevin Drumm .............Vandermark 5 "Free Jazz Classics" 2CD (Atavistic) w/Jeb Bishop,Kent Kessler .............Pan American 2001.....Robbie Fulks "Couples in Trouble" (Boondoggie) .............Portastatic "the Perfect Little Door" (Merge) w/Mac McCaughan,Ken Vandermark,Steve Albini .............Vandermark 5 "Acoustic Machine" (Atavistic) w/Ken Vandermark,Dave Rempis

.............Jeb Bishop Trio/Quartet "Afternoons" (Okka Disc) w/Jeff Parker .............Territory Band-1 "Transatlantic Bridge" (Atavistic) w/Axel Dorner,Jeb Bishop,Paul Lytton,Ken Vandermark 2000.....Hangin' From the Devil's Tree (Your Flesh compilation) VDM 5 w/Wolter Wierbos .............Fred Lonberg-Holm "Two Lightboxes" (Locust Music) w/Sebi Tromontana,Mats Gustafson,Michael Zerang 1999.....Vandermark 5 "Burn the Incline" (Atavistic) w/Dave Rempis .............Smog "Knock,Knock" (Drag City) w/Jim O'Rourke,Fred Lonberg-Holm .............Sound and Action Trio "Design in Time" (Delmark) w/Robert Barry,Ken Vandermark .............Scott Stevenson (s/t) (Stevensound) w/Gerald Dowd,Randy Henry 1998.....Vandermark 5 "Target or Flag" (Atavistic) w/Jeb Bishop,Mars Williams .............Pamela Means "Cobblestones" (Wirl Records) w/David J. Kemper

............Joe Harriott Project "Straight Lines" (Atavistic) w/Kent Kessler ............Jeb Bishop Trio (s/t) (Okka Disc) 1997.....Ryan Cohan "Real World" w/Orbert Davis,John McLean,Jim Gailloreto,James Cammack .............Vandermark 5 "Single Piece Flow" (Atavistic) w/Mars Williams,Kent Kessler .............Fareed Haque "Deja Vu" (Blue Note) w/Dave Onderdonk 1996.....Steam "Real Time" (Atavistic) w/Jim Baker,Kent Kessler,Ken Vandermark 1995.....Steve Ramsdell (s/t) w/Mitch Paliga,Larry Kohut 1994.....Brahms' 3rd Racket "Can't Be Soulful... .............the Boy and the Glory "Full Nine Society" 1993....Spies Who Surf "Calling All Martians" (Monsterdisc)