It's an NES-ified cover project, whereby these dudes cover contemporary music using the NES's audio system.
Check out Zep's Kasmir - it's badass. Coldplay's Yellow is amazing, too...
Download Link For NES Covers
Here's the list of songs.
1. REM - Losing My Religion
2. Europe - Final Countdown
3. Radiohead - Karma Police
4. Queen - Bohemian Rhapsody
5. Survivor - Eye of the Tiger
6. Led Zeppelin - Stairway to Heaven
7. Lynyrd Skynyrd - Sweet Home Alabama
8. Led Zeppelin - Kashmir
9. Slayer - Angel of Death
10. David Pomeranz - Nothing’s Gonna Stop Me Now
11. Coldplay - Yellow
12. Rick James - Superfreak
13. Semisonic - Closing Time
14. (Silence)
15. Hidden NESmix Intro
16. Zero Wing (Opening Theme) (4x4 Remix)