| ID | Interpret | Skladba | Album | |
| 31. | Gene S. | AMIR Crackpot Index: Alternative Medicine Version | http://www.theshallowgenepool.com/podcast amir.htm |  |
| 32. | Chris Scott | 150 UK Wine Show 150 Kive-ex and index with James Miles | UK Wine Show | |
| 33. | Gene S. | AMIR Crackpot Index: Alternative Medicine Version | http://www.theshallowgenepool.com/podcast amir.htm | |
| 34. | Alex Wunschel | Blick 151 auf ÖVP iReport : Social Media Index : Köbberling | Tellerrand | |
| 35. | Mark Yeandle interviewed by Alexander Osterwalder | Mark Yeandle on the Global Financial Centres Index | podcast series privatebankinginnovation.com | |
| 36. | Chris Scott | 150 UK Wine Show 150 Kive-ex and index with James Miles | UK Wine Show | |
| 37. | Dj.Gonzales | Retro Classics MINDEN SZOMBATON AZ INDEX CAFEBAN V�RUNK NY�REGYH�Z�N! | | |
| 38. | METAL Injection Guerilla Radio: The Entropy League | Neaera / Slayer / Misery Index / The Absence / God Dethroned / Cryptopsy / Dragonlord | Episode 54: Absent | |
| 39. | Alex Wunschel | Blick 178 ARD-ZDF-Onlinestudie, Playboy-Verlosung, Twitter Brand Index und Facebook-Gangster | Tellerrand | |
| 40. | Various Speakers | Conflict Prevention and Resolution Forum: The Global Peace Index: Its Value and Implications, and the Next Steps | Johns Hopkins SAIS Events - Summer 2007 | |
| 41. | Ephemeras Party | history of doubt | FMRA | |
| 42. | Ephemeras Party | history of doubt | FMRA | |
| 43. | Eric Langhorst | Speaking of History #175 - Smithsonian American History Museum and Web 2.0 Tools | Speaking of History | |
| 44. | Eric Langhorst | Speaking of History #175 - Smithsonian American History Museum and Web 2.0 Tools | Speaking of History | |
| 45. | Eric Langhorst | Speaking of History #145 - American History Idol Project | | |
| 46. | Eric Langhorst | Speaking of History #87 - American History Idol | | |
| 47. | Eric Langhorst | Speaking of History #87 - American History Idol | | |
| 48. | Interesting Times | Dr. Stuart Crane on the International Monetary Fund and the History of International Banking, Part Two: History | | |
| 49. | Interesting Times | Dr. Stuart Crane on the International Monetary Fund and the History of International Banking, Part Two: History | | |
| 50. | Interesting Times | Dr. Stuart Crane on the International Monetary Fund and the History of International Banking, Part Two: History | | |
| 51. | Interesting Times | Dr. Stuart Crane on the International Monetary Fund and the History of International Banking, Part Two: History | | |
| 52. | The Jen Thayer Band | No More Doubt | Demo CD | |
| 53. | yee-king | doubt | egg abuser ep | |
| 54. | Peter Gabriel | In Doubt | Passion |   |
| 55. | Charlotte | No doubt about it | | |
| 56. | Charlotte | No doubt about it | | |
| 57. | Game Feat. Justin Timberlake & Pharrell | Ain't No Doubt About It | The R.E.D. Album | |
| 58. | Gil, December 5, 2004 | Doubt | www.InsightMeditationCenter.org | |
| 59. | Thousand Foot Krutch | When In Doubt | Set It Off | |
| 60. | Chris Clifford - Aug. 19, 2004 | Doubt | IMC | |
