| ID | Interpret | Skladba | Album | |
| 31. | Cold Archives Experiment | Remo Williams Vs. The Epire Index | Noise Art Patron |  |
| 32. | Kelly D. Brownell, David S. Ludwig | The Rudd Report: The Glycemic Index | Yale University | |
| 33. | Business Intelligence Network | Gauging Your Firm's Leadership Culture Index | Audio Article | |
| 34. | Mark Yeandle interviewed by Alexander Osterwalder | Mark Yeandle on the Global Financial Centres Index | podcast series privatebankinginnovation.com | |
| 35. | Chris Scott | 150 UK Wine Show 150 Kive-ex and index with James Miles | UK Wine Show | |
| 36. | Alex Wunschel | Blick 151 auf ÖVP iReport : Social Media Index : Köbberling | Tellerrand | |
| 37. | Gene S. | AMIR Crackpot Index: Alternative Medicine Version | http://www.theshallowgenepool.com/podcast amir.htm | |
| 38. | Gene S. | AMIR Crackpot Index: Alternative Medicine Version | http://www.theshallowgenepool.com/podcast amir.htm | |
| 39. | Chris Scott | 150 UK Wine Show 150 Kive-ex and index with James Miles | UK Wine Show | |
| 40. | Dj.Gonzales | Retro Classics MINDEN SZOMBATON AZ INDEX CAFEBAN V�RUNK NY�REGYH�Z�N! | | |
| 41. | METAL Injection Guerilla Radio: The Entropy League | Neaera / Slayer / Misery Index / The Absence / God Dethroned / Cryptopsy / Dragonlord | Episode 54: Absent | |
| 42. | Alex Wunschel | Blick 178 ARD-ZDF-Onlinestudie, Playboy-Verlosung, Twitter Brand Index und Facebook-Gangster | Tellerrand | |
| 43. | 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 | |
| 44. | Sean Lennon | Part One of the Cowboy Trilogy | Into the Sun |   |
| 45. | Beatnik Turtle | Pizza: The Rock Opera | The Song Of The Day - November | |
| 46. | Beatnik Turtle | Pizza: The Rock Opera | Pizza: The Rock Opera | |
| 47. | drive by truckers | southern rock opera intro | live @ the zephyr, salt lake city, ut 1.18-19.02 | |
| 48. | Howe Gelb | Chore of Enchantment - The Rock Opera Years CD | 2000-08-19 - KXCI Studios - Center Stage Program | |
| 49. | Howe Gelb | Music Arcade - Rock Opera Years CD | 2000-08-19 - KXCI Studios - Center Stage Program | |
| 50. | Didier Marouani | Space Opera Part 3 | Space Opera | |
| 51. | Didier Marouani | Space Opera Part 6 | Space Opera | |
| 52. | Adam Fieled | Opera Buffa part 1 | Reading at Temple University 12-20-07 | |
| 53. | Adam Fieled | Opera Buffa part 1 | Reading at Temple University 12-20-07 | |
| 54. | Didier Marouani | Space Opera Part 5 | Space Opera | |
| 55. | Didier Marouani | Space Opera Part 7 | Space Opera | |
| 56. | Didier Marouani | Space Opera Part 4 | Space Opera | |
| 57. | Didier Marouani | Space Opera Part 8 | Space Opera | |
| 58. | E.R. Burgess | Boardgame Babylon v43 - The Ascent and Dissent of the Friendly Online Game Store, Part 2 | Boardgame Babylon | |
| 59. | E.R. Burgess | Boardgame Babylon v47 - The Ascent and Dissent of the Friendly Online Game Store, Part 3 | Boardgame Babylon | |
| 60. | Prof. Robert Greenburg | 37h: 19th-Century Italian Opera - Bel Canto Opera | How To Listen To And Understand Great Music | |
