| ID | Interpret | Skladba | Album | |
| 151. | Dog Eat Dogma | Big Bang Theory | Dogmachine |  |
| 152. | DrMindbender | Chaos Theory | 02 01 06 | |
| 153. | DonJuan Fontaine | Theory In Development | Microphone Matrimony | |
| 154. | Thom Donovan | Hole Theory | Reading at Unnameable Books, hosted by Brenda Iijima, January 24, 2009 | |
| 155. | Dr Kuch | The Big Bang Theory | Analog Disease | |
| 156. | Dr Kuch | The Big Bang Theory | Analog Disease | |
| 157. | Lame Duck | Chaos Theory | Chaos Theory | |
| 158. | DJ Dice | Low End Funk Theory Mix | Low End Funk Theory | |
| 159. | David Gordon | Theory and History | Mises University | |
| 160. | Daddy Kev | Live at Low End Theory NYC | Live at Low End Theory NYC | |
| 161. | Daddy Kev | Live at Low End Theory NYC | Live at Low End Theory NYC | |
| 162. | Edelweiss | The Kangaroo Theory | Edelweiss'92 | |
| 163. | Dan Willis | Many Worlds Theory | Velvet Gentlemen | |
| 164. | Dan Cavanagh | Chaos Theory | Rec. by Oregon Jazz Ensemble | |
| 165. | Ed Frawley | theory of motivation | Ed Frawley's Album | |
| 166. | Dave Whitman | Domino Theory | Dave's Stories | |
| 167. | Ed Frawley | theory of motivation | Ed Frawley's Album | |
| 168. | E. Hardy | Labour Theory of Value - E. Ha | Album | |
| 169. | David Gordon | Theory and History | Mises University | |
| 170. | Dr Kuch | The Big Bang Theory | Analog Disease | |
| 171. | Fat Dudes in Space | Phimosis Theory | Fat Dudes in Space | |
| 172. | The Chaos Theory | The Chaos Theory.mp3 | The Chaos Theory |  |
| 173. | Isis | Theory/Practice | http://isis.arithmancy.net | |
| 174. | Wobbly | food theory | Media Joke v6 | |
| 175. | Miami Horror | Moon Theory | http://this.bigstereo.net/ |  |
| 176. | Miami Horror | Moon Theory | nashvillenightsblog.com | |
| 177. | Miami Horror | Moon Theory | Illumination | |
| 178. | Low Light Mixes | String Theory Vol. 2 | | |
| 179. | Sky Pilots | Prospect Theory | Sky Pilots | |
| 180. | Chaos Theory | Chaos Theory - Everything | Return to the Smokey Basement | |
