| Type | Album |
| Released | 2001 |
| Label | hatOLOGY |
| Genre | Jazz |
| Style | Free Improvisation |
| # | Title | Popular | Duration |
|---|---|---|---|
| Disc 1 | |||
| 1 | Erondel | 4:35 | |
| 2 | Chicago Trio 1 | 5:10 | |
| 3 | Chicago Trio 2 | 5:08 | |
| 4 | Chicago Trio 3 | 5:01 | |
| 5 | Off Minor | 5:10 | |
| 6 | Chicago Quartet 1 | 12:31 | |
| 7 | Chicago Quartet 2 | 14:34 | |
| 8 | Chicago Trio 4 | 5:13 | |
| 9 | Chicago Quartet 3 | 5:52 | |
| 10 | Chicago Quartet 4 | 4:51 | |
| Disc 2 | |||
| 1 | Chicago Solo | 27:09 | |
| 2 | 'Round Midnight | 3:00 | |
| 3 | Chicago Duo | 12:18 | |
| 4 | Rollo 2 | 4:17 | |
| 5 | Body and Soul | 6:57 | |
Grandpa's Spells
Afijn
Senne Sing Song
Solo
Playing
The Root of the Problem
Who's Bridge
Dutch Masters
Impromptus
Change of Season (Music of Herbie Nichols)
Regeneration
Musica Per 17 Instrumenti / 3 Intermezzi / Omtrent Een Componistenactie
3 Points and a Mountain
Fragments
Groupcomposing
Instant Composers Pool