| ID | Interpret | Skladba | Album | |
| 151. | HoodHype Hip-Hop Show | Episode #44 for Tuesday April 3, 2007 - Exclusive Interview with MC Serch! | HoodHype.com |  |
| 152. | The Church of Jesus Christ of Latter-day Saints | Aymara Complete Sunday Morning Session April 1, 2007 | 2007 April General Conference: Sunday Morning Session | |
| 153. | The Church of Jesus Christ of Latter-day Saints | Hungarian Complete Sunday Afternoon Session April 1, 2007 | 2007 April General Conference: Sunday Afternoon Session | |
| 154. | Robin Diane Goldstein, Sean Meehan, Parviz Fathali | Schnauzer Logic/Mort Sahl Interview - April 11, 2007 | Schnauzer Logic - www.schnauzerlogic.com | |
| 155. | The Church of Jesus Christ of Latter-day Saints | Guarani Complete Sunday Morning Session April 1, 2007 | 2007 April General Conference: Sunday Morning Session | |
| 156. | The Church of Jesus Christ of Latter-day Saints | Fante Complete Sunday Afternoon Session April 1, 2007 | 2007 April General Conference: Sunday Afternoon Session | |
| 157. | The Church of Jesus Christ of Latter-day Saints | Pohnpeian Complete Sunday Afternoon Session April 1, 2007 | 2007 April General Conference: Sunday Afternoon Session | |
| 158. | Washington National Cathedral | Easter II, April 15, 2007 Sermon by the Rev. Canon Stephen Huber | | |
| 159. | Washington National Cathedral | Easter IV, April 29, 2007 Sermon by the Rev. Canon Carol L. Wade | | |
| 160. | The Church of Jesus Christ of Latter-day Saints | Papiamento Complete Sunday Afternoon Session April 1, 2007 | 2007 April General Conference: Sunday Afternoon Session | |
| 161. | The Church of Jesus Christ of Latter-day Saints | Finnish Complete Sunday Afternoon Session April 1, 2007 | 2007 April General Conference: Sunday Afternoon Session | |
| 162. | The Church of Jesus Christ of Latter-day Saints | Ilokano Complete Sunday Afternoon Session April 1, 2007 | 2007 April General Conference: Sunday Afternoon Session | |
| 163. | The Church of Jesus Christ of Latter-day Saints | Burmese Complete Sunday Morning Session April 1, 2007 | 2007 April General Conference: Sunday Morning Session | |
| 164. | Robin Diane Goldstein, Sean Meehan, Parviz Fathali | Schnauzer Logic/Mort Sahl Interview - April 11, 2007 | Schnauzer Logic - www.schnauzerlogic.com | |
| 165. | Dr. Avi Rubin | Ensuring Fairness and Accuracy in Electronic Voting Systems - April 18, 2007 | Committee on Oversight and Government Reform | |
| 166. | The Slam Idol Podcast | slamidol20070406 - The Slam Idol Podcast - April 6th 2007 - Round-up for Contest 17 | The Slam Idol Podcast | |
| 167. | Dr. Avi Rubin | Ensuring Fairness and Accuracy in Electronic Voting Systems - April 18, 2007 | Committee on Oversight and Government Reform | |
| 168. | President George W. Bush | President Bush Signs H.R. 1593, the Second Chance Act of 2007 - April 9, 2008 | Presidential Speeches & Remarks | |
| 169. | Lannan Foundation | Dave Eggers and Vendela Vida with Michael Silverblatt 26 April 2007 | Readings and Conversations 2007 | |
| 170. | Freedom Scientific | April 2007 - Freedom Scientific training resources, JAWS scripts for Skype | FSCast | |
| 171. | The Slam Idol Podcast | slamidol20070416 - The Slam Idol Podcast - April 16th 2007 - Contest 17 Voting Update | The Slam Idol Podcast | |
| 172. | The Slam Idol Podcast | slamidol20070423 - The Slam Idol Podcast - April 23rd 2007 - Announcing the winner of Contest 17 | The Slam Idol Podcast | |
| 173. | HELICAL SCAN | Index I | Index |  |
| 174. | Felt | Index | Absolute Felt | |
| 175. | HELICAL SCAN | Index II | Index | |
| 176. | hector milia | DQ P- An Index of Hours | hector milia's Album | |
| 177. | Bruce Andrews | Index to You Made | SUNY Buffalo / April 15, 1992 | |
| 178. | Discordance Axis | Vertigo Index | Jou Hou | |
| 179. | artist | A 100 Heat Index | No Ending | |
| 180. | Mark EG Chrissi | 'Multiple Index' | | |
