| ID | Interpret | Skladba | Album | |
| 31. | Phonautogram by Édouard-Léon Scott de Martinville | Gamme de la Voix — Vocal scale | Recorded on May 17, 1860: 1861 Deposit, Académie des Sciences |  |
| 32. | Esther Ferrer | 10 Concert ZAJ Pour 60 Voix. Extract | Erratum #1 | |
| 33. | hector milia | DQ P- An Index of Hours | hector milia's Album | |
| 34. | Discordance Axis | Vertigo Index | Jou Hou |  |
| 35. | artist | A 100 Heat Index | No Ending | |
| 36. | el Zeratulo | Hot Index Ice Bar Evening | SPLUNK! | |
| 37. | Bruce Andrews | Index to You Made | SUNY Buffalo / April 15, 1992 | |
| 38. | Mark EG Chrissi | 'Multiple Index' | | |
| 39. | Grover Washington Jr. | Heat Index | Prime Cuts: The Columbia Years | |
| 40. | M. Gluck | Priére [Juive. Dieu, que ma voix tremblante] | Cylindres Edison Moulés Sur Or: 17801 | |
| 41. | Blank Realm | Fabulous Terror Index | | |
| 42. | Electric Company | string index edit | invalidObject Series (new) | |
| 43. | Kent Kedl | 09-04-21 Teenage Attitude Index | China Business Blog and Podcast | |
| 44. | Charles Sandison | 4. Viewer Experience of Index | MOCA ArtCast | |
| 45. | Holland | Boolean Misery Index | The Paris Hilton Mujahideen | |
| 46. | Electric Company | string index edit | invalidObject Series (new) | |
| 47. | Dark Shadow | Vultus Est Index Animi | Shadow | |
| 48. | Gym Class Heroes | Peace Sign/Index Down | The Quilt |  |
| 49. | Gym Class Heroes .::� Www.JiG | 03- Peace Sign Index Down (f | The Quilt .::� Www.JiGhil.Com ::. | |
| 50. | Gym Class Heroes .::© Www.JiGhil.Com ::. | 03- Peace Sign Index Down | The Quilt .::© Www.JiGhil.Com ::. | |
| 51. | New Artist | misery-index sample | New Title | |
| 52. | John Shirley and Sync 66 | Mating Probability Index | Tellus #3 | |
| 53. | Adam Pfeffer | Array Index Out Of Bounds | Error Dialogs | |
| 54. | Bloomberg News: Financial Mark | VIX Index of U.S. Stock Option | Volatility Report with John La | |
| 55. | Phonautogram by �douard-L�on Scott de Martinville | Phonautographie de la voix humaine � distance--excerpts, at different speeds | Deposited on March 24, 1857: Phonautogram from Brevet d'Invention | |
| 56. | Phonautogram by �douard-L�on Scott de Martinville | Phonautographie de la voix humaine � distance--excerpts, at different speeds | Deposited on March 24, 1857: Phonautogram from Brevet d'Invention | |
| 57. | Ens Vocal ACJ de Grenoble | Busto Ave Maria gratia plena (voix de femmes) | Concert Bourgoin 9 juin 2007 | |
| 58. | Kelly D. Brownell, David S. Ludwig | The Rudd Report: The Glycemic Index | Yale University | |
| 59. | Dive Index | Dive Index: Sole Fisherman | Insomnia Radio: Daily Dose | |
| 60. | Bloomberg News: Financial Markets, World Economies, Investing and Business | Volatility Index Rises 0.01 % to Close at 15.54 | ((The Final Word)) Volatility Report | |
