| ID | Interpret | Skladba | Album | |
| 1. | The Jesus And Mary Chain | Improv Song? | Live - 1988/05/21 - Cambridge Theatre, London, UK |   |
| 2. | The Jesus And Mary Chain | Improv Song? | Live - 1988/05/21 - Cambridge Theatre, London, UK | |
| 3. | Idina Menzel | Improv Song: Get Yourself Some Robbie | Idina Menzel Audio Clips | |
| 4. | Idina Menzel | Improv Song: My Daddy's Here Tonight | Idina Menzel Audio Clips | |
| 5. | Insinuate | Super Battle Improv Song Demo | The Basement Sessions demos | |
| 6. | Idina Menzel | Improv Song: Clams and Hanky Panky | Idina Menzel Audio Clips | |
| 7. | Subspace Transmission | Improv #2 | More Experimentation at Avernus | |
| 8. | Tori Amos | Improv | 2007-05-30 Florence, Italy | |
| 9. | Paul and Storm | The Improv Bit | Gumbo Pants | |
| 10. | Tori Amos | Improv | 2007-06-07 Munich, Germany |  |
| 11. | The Bottesini Project | Improv 08 | [live @ The Walnut Room, Denver, CO, 01.06.2007] | |
| 12. | The Bottesini Project | Improv 08 | [live @ The Walnut Room, Denver, CO, 01.06.2007] | |
| 13. | Tori Amos | Improv | 2007-06-06 D?sseldorf, Germany | |
| 14. | Akron/Family | Improv 3 | Live at WFMU The Frow Show with Jesse 5/11/09 | |
| 15. | Akron/Family | Improv 1 | Live at WFMU The Frow Show with Jesse 5/11/09 | |
| 16. | The Bottesini Project | Improv 02 | [live @ The Walnut Room, Denver, CO, 01.06.2007] | |
| 17. | The Bottesini Project | Improv 02 | [live @ The Walnut Room, Denver, CO, 01.06.2007] | |
| 18. | Ashpool with Headshear's Robert guesting | Improv | | |
| 19. | Transmission | improv | Live at Storyville 2/9/2002 | |
| 20. | Jeff Ball | Improv | Free Downloads | |
| 21. | Tori Amos | Improv | 2007-06-07 Munich, Germany | |
| 22. | Subspace Transmission | Improv #4 | More Experimentation at Avernus | |
| 23. | The Bottesini Project | Improv 01 | [live @ The Walnut Room, Denver, CO, 01.06.2007] | |
| 24. | Tori Amos | Improv | 2007-05-31 Milan, Italy | |
| 25. | Akron/Family | Improv 2 | Live at WFMU The Frow Show with Jesse 5/11/09 | |
| 26. | Drop Trio | 02 Improv | Live 2005-05-16 @ Meridian | |
| 27. | Drop Trio | 02 Improv | Live 2005-05-16 @ Meridian | |
| 28. | Subspace Transmission | Improv #3 | More Experimentation at Avernus | |
| 29. | Carla Bozulich | Improv | 2003-03-09 - Bottom of the Hill | |
| 30. | Tori Amos | Improv | 2003-04-12 San Jose CA #2 | |
