| ID | Interpret | Skladba | Album | |
| 1. | Charles Olson | Reading and Lecture, April 12th | At Goddard College, April 12-14, 1962 |  |
| 2. | Charles Olson | Reading and Lecture, April 12th | At Goddard College, April 12-14, 1962 | |
| 3. | DJ Dunno | 33 - Hyper - 12th April 2009 | DJ Dunno - Dirty Electro Hous | |
| 4. | Gearlog.com Editors | Gearlog Radio April 12th, 2007 | Gearlog Radio | |
| 5. | DJ Trus'me | Dj-set Puzzle, Gothenburg 12th April 2008 | | |
| 6. | Les Howard and Kari Haley | The Signal, Season 3, #7, 12th April 2007 | The Signal - www.serenityfirefly.com | |
| 7. | Barnton Baptist | Sunday 12th April - Keith Short | Barnton Baptist Church Podcast | |
| 8. | (c) D. Bailey 2003 | 6201 passing Selside. 12th April 2003 | Steamsounds | |
| 9. | Office of the Privacy Commissioner of Canada | OPC Privacy Lecture - April 8, 2009 - Ian Kerr and Valerie Steeves | OPC Privacy Lecture Series | |
| 10. | William E. Linney | Lecture 2: Things to Keep in Mind When Reading the Latin Bible | Reading the Bible in Latin | |
| 11. | John Cage | John Cage Lecture Reading: on Rauschenberg, Duchamp, Johns etc. | | |
| 12. | Camille Dungy | Camille Dungy Full Reading Live at Portland Public Library, April 7, 2006 | From the Fishouse | |
| 13. | Camille Dungy | Camille Dungy Full Reading Live at Portland Public Library, April 7, 2006 | From the Fishouse | |
| 14. | Diversity Radio | ebrd -lecture yergin - lecture | | |
| 15. | HELICAL SCAN | Index I | Index |  |
| 16. | HELICAL SCAN | Index II | Index | |
| 17. | Felt | Index | Absolute Felt | |
| 18. | artist | A 100 Heat Index | No Ending | |
| 19. | Bruce Andrews | Index to You Made | SUNY Buffalo / April 15, 1992 | |
| 20. | el Zeratulo | Hot Index Ice Bar Evening | SPLUNK! | |
| 21. | Discordance Axis | Vertigo Index | Jou Hou | |
| 22. | Mark EG Chrissi | 'Multiple Index' | | |
| 23. | hector milia | DQ P- An Index of Hours | hector milia's Album | |
| 24. | Grover Washington Jr. | Heat Index | Prime Cuts: The Columbia Years | |
| 25. | New Artist | misery-index sample | New Title | |
| 26. | Electric Company | string index edit | invalidObject Series (new) | |
| 27. | Holland | Boolean Misery Index | The Paris Hilton Mujahideen | |
| 28. | Bloomberg News: Financial Mark | VIX Index of U.S. Stock Option | Volatility Report with John La | |
| 29. | Electric Company | string index edit | invalidObject Series (new) | |
| 30. | John Shirley and Sync 66 | Mating Probability Index | Tellus #3 | |
