| ID | Interpret | Skladba | Album | |
| 1. | Build Buildings | Letter Codes | Ceiling Lights from Street |   |
| 2. | KENNEDY, Inigo | Mister Codes | Identify Yourself | |
| 3. | Chuck Missler | Cosmic Codes | Volume 1 | |
| 4. | Chuck Missler | Cosmic Codes | Volume 1 | |
| 5. | The Octopus Project | Malaria Codes | One Ten Hundred Thousand Million | |
| 6. | KOMO News | Coupon Codes | Herb Weisbaum | |
| 7. | Ludacris Tribute | Area Codes | Tonight - Bebop Plays The Music Of Ludacris | |
| 8. | Chuck Missler | Cosmic Codes | Volume 1 | |
| 9. | Zach Ricks | GSG NaNoWriMo Tip 15 - Boats and Codes | Geek Survival Guide | |
| 10. | Elonka Dunin | Famous Unsolved Codes | DragonCon 2008*EF Forums | |
| 11. | And You Will Know Us By the Trail of Dead | Source Tags And Codes | Source Tags and Codes |  |
| 12. | Pewter Dachshund | Method Dedicated Codes | Brotherhood of the Octopus | |
| 13. | Conversations with Lisa Parisi and Maria Knee | Episode 21 - Dress Codes | | |
| 14. | Conversations with Lisa Parisi and Maria Knee | Episode 21 - Dress Codes | | |
| 15. | James Horner | Cracking The Russian Codes | A Beautiful Mind | |
| 16. | Gordon Library WPI | Fire Codes are Dynamite | Audio to Go - Tidbits of Info | |
| 17. | Dr. Don Beck | cultural codes, global maps | WIE Unbound/Voices-Boston | |
| 18. | Wynton Marsalis Septet | Black Codes (from the Underground) (Live) | Live at the Village Vanguard | |
| 19. | Steven C. Clemons, Michael Getler, Rita J. King, Jay Rosen, & Alex Koppelman | Cyberethics: The Emerging Codes of Online Conduct | Carnegie Council | |
| 20. | WDW Today | Episode 307 - Bounceback Free Dining & PIN codes | WDW Today | |
| 21. | Chogyam Trungpa | Cynical Letter, A Letter to Marpa, Sound Cycle (Aham) | Dial-A-Poem Poets: Disconnected | |
| 22. | Chogyam Trungpa | Cynical Letter, A Letter to Marpa, Sound Cycle (Aham) | Dial-A-Poem Poets: Disconnected | |
| 23. | James Edward Austen-Leigh | 03 - Early Compositions--Friends at Ashe--A very Old Letter--Lines on the Death of Mrs. Lefroy--Observations on Jane Austen's Letter-writing--Letters | Memoir of Jane Austen | |
| 24. | GDC 2005 | Developers are from Jupiter, Marketers are from Saturn: Learn the Secret Codes for Working with a Marketing Team | GDC 2005 | |
| 25. | The Infidel Guy Show | Sam Harris - Letter to a Xian, Sam Harris - Letter to a Christian Nation - 09-08-2006 | www.infidelguy.com | |
| 26. | Bloc Party | Letter To My Son | | |
| 27. | Vibekingz feat. Maliq | This Letter | 24 7 Addicted | |
| 28. | Brother Lawrence | 07 Third Letter | The Practice of the Presence of God | |
| 29. | Da Masta Jay Leave | Letter 2.mp3 | | |
| 30. | Musicians of Mass Destruction | The Letter | It's All Going Down... | |
