| ID | Interpret | Skladba | Album | |
| 1. | Toumani Diabaté's Symmetric Orchestra | Africa Challenge | Boulevard De L'Independance |  |
| 2. | Harry Broadman, World Bank, Denis Tull, German Institute for International and Security Affairs, Adama Gaye, Ecobank, Pang Zhongying, 4-6-07 | Chinas Engagement with Africa: Opportunity and Challenge | Johns Hopkins SAIS Events - Spring 2007 | |
| 3. | Roger Donnelly/Benjamin Ford | Into Africa: How the resource boom is making Sub-Saharan Africa more important to Australia | Wednesday Lunch at Lowy | |
| 4. | David Cobia | The Challenge | The Call | |
| 5. | DJ Neo | Challenge Mix 2 | | |
| 6. | DJ Neo | Challenge Mix 3 | | |
| 7. | developerWorks and Bernie Spang | XML Challenge | | |
| 8. | Twilight Electric | Challenge | Razor Blades |  |
| 9. | Fried, Gerald | The Challenge | Star Trek Vol. 2 | |
| 10. | DJ blOOdhead | Challenge Everything | | |
| 11. | Bud Melvin | 8 Bit Challenge | 8bc 48 Hour Challenge | |
| 12. | Twilight Electric | Challenge | Razor Blades | |
| 13. | Anonymous | Challenge 8 | GPO | |
| 14. | Antonio Sanchez | Challenge Within | Migration | |
| 15. | DJ Neo | Challenge Mix | | |
| 16. | DJ Neo | Challenge Mix | | |
| 17. | In-House Legal | ACC Value Challenge | (c) www.LegalTalkNetwork.com | |
| 18. | Twilight Electric | Challenge | Razor Blades | |
| 19. | Pastor Zeke Pipher | Challenge '09 - Various | Challenge 2009 | |
| 20. | DJ Neo | Challenge Mix 4 | | |
| 21. | Furio | Challenge | Anthema | |
| 22. | Goddess Hannah | Challenge | | |
| 23. | Fried, Gerald | The Challenge | Star Trek Vol. 2 | |
| 24. | Goddess Hannah | Challenge | | |
| 25. | Goddess Hannah | Challenge | | |
| 26. | Closed Casket | The Challenge | | |
| 27. | Goddess Hannah | Challenge | | |
| 28. | Scott Mills | Phonebox Challenge | BBC Radio 1 | |
| 29. | Scott Owens | the Malachi Challenge Pt1 | Fully Alive Community Church | |
| 30. | db, Todd & Gabe | Challenge Leader | Whiteroofradio | |
