| ID | Interpret | Skladba | Album | |
| 181. | Vision Nightclub | Vision Podcast Episode 5 - Paul Van Dyk Exclusive Vision Mix.mp3 | Vision Nightclub Podcast |  |
| 182. | President George W. Bush | President Bush Signs H.R. 1593, the Second Chance Act of 2007 - April 9, 2008 | Presidential Speeches & Remarks | |
| 183. | Lannan Foundation | Dave Eggers and Vendela Vida with Michael Silverblatt 26 April 2007 | Readings and Conversations 2007 | |
| 184. | Dr. Avi Rubin | Ensuring Fairness and Accuracy in Electronic Voting Systems - April 18, 2007 | Committee on Oversight and Government Reform | |
| 185. | Dr. Avi Rubin | Ensuring Fairness and Accuracy in Electronic Voting Systems - April 18, 2007 | Committee on Oversight and Government Reform | |
| 186. | The Slam Idol Podcast | slamidol20070406 - The Slam Idol Podcast - April 6th 2007 - Round-up for Contest 17 | The Slam Idol Podcast | |
| 187. | Freedom Scientific | April 2007 - Freedom Scientific training resources, JAWS scripts for Skype | FSCast | |
| 188. | The Slam Idol Podcast | slamidol20070416 - The Slam Idol Podcast - April 16th 2007 - Contest 17 Voting Update | The Slam Idol Podcast | |
| 189. | The Slam Idol Podcast | slamidol20070423 - The Slam Idol Podcast - April 23rd 2007 - Announcing the winner of Contest 17 | The Slam Idol Podcast | |
| 190. | Colorado Tolston | Rolling Boulder | Illinois Jane and the Pyramid of Peril | |
| 191. | Architects Office | AO 705.4 Live In Boulder | Pure Will, Without The Confusions Of Intellect | |
| 192. | Colorado Tolston | Rolling Boulder | Illinois Jane and the Pyramid of Peril | |
| 193. | Abe Burrows | Boulder Dam, Part One | Abe Burrows Sings? | |
| 194. | Vince Herman | Hitchhike To Boulder | 2006-01-05 - Fox Theatre | |
| 195. | Abe Burrows | Boulder Dam, Part Two | Abe Burrows Sings? | |
| 196. | Acoustic Alchemy | Boulder Coaster | Blue Chip | |
| 197. | You Am I | Boulder Fair | Soldiers (CDS) |  |
| 198. | Mark Holdaway | Boulder Sunshine | 11Note Diatonic Hugh Tracey Kalimba | |
| 199. | Emmylou Harris | Boulder To Birmingham | Spy Boy | |
| 200. | You Am I | Boulder Fair | Soldiers (CDS) | |
