This is the meme I took from  agent , I hope he won't mind! :).

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1. AC5 "The Unsung War": OR Zero from Zero: http://www.youtube.com/watch?v=o1Qkzj5bStU OR http://www.youtube.com/watch?v=DBlGyUctjkc

2. Not really sure...

3. AC Joint Assault "Varcolac": http://www.youtube.com/watch?v=scaAjYqQm7g

4. AC5 "Ice Cage" : http://www.youtube.com/watch?v=SjglVuwO0hY

5. AC5 "Into the Dusk": http://www.youtube.com/watch?v=MuaQflZr3Fo

6. ACX "Prelude": http://www.youtube.com/watch?v=I0hmOEABEMA ( actually my morning tone )

7. Sorry, haven't got any, really.

8. "i just can't wait to be king" ( in french! ) : http://www.youtube.com/watch?v=OYF68PHyVhY

9. Movie: Speed: http://www.youtube.com/watch?v=JVJD-Thkjv4

10. Doesn't fit for "music" but definitely makes me laugh: MGS3 hilarious randomness : http://www.youtube.com/watch?v=Le23bsVURds

11. Anything from Radio Los Santos from GTA San Andreas.

12. "A song of storm and fire" : http://www.youtube.com/watch?v=vhSxqZy0IGE

13. Full Metal Panic original opening: http://www.youtube.com/watch?v=ICn_pmfU3SE

14. NO DESCRIPTION : http://www.youtube.com/watch?v=qgPVJOzst8c

15. AC5 "15 Years Ago": http://www.youtube.com/watch?v=qWZuLtCTZPU

16. Ummm..... Easy. http://www.youtube.com/watch?v=NKZKzINMSGk&feature=related

17. Surprise: http://www.youtube.com/watch?v=fIWLT0QVPzw