[PUZZLE] Music Quiz! (First puzzle I made)

Hello and welcome to my very first puzzle giveaway!

Rules are simple: do not cheat (leak and stuff), and try to guess the name of the musics on the video shown at the puzzle, and here below.

Here is the puzzle: http://itstoohard.com/puzzle/7TWw1F3S

Here is the vid: http://www.youtube.com/watch?v=y5RngN2YOKQ

Also, this must be very clear to everybody: NO CHEATING AND NO LEAKNG! I will report those who cheat or leak on my puzzle giveaway.

All that said, I wish you all good luck! Hints will be eventually shown here, at this topic. Each day, a new hint/hints (:

[EDIT] All right, I'm going out now, so here is some hints for you:

Question 8 - it's a 2013 music, from a french electronic band

Question 12 - the band has a member whose nickname has Bear in it

yea, not a big help, but those are the first hints, cmon

[EDIT] Hintsy hints:

Question 10: Julian Casablancas, from the band Strokes, sang this song along with a woman, whos inicials are R.S.

[EDIT] Well, loads of ppl already solved it, so, if anyone is stuck, please comment and i will try to help you (: until then, no more hints