haha, yeah.

That was a hint, dammit.

is it what was wound?

No.

1. Moms coffee is cold - Dead Mice
2. Ill drive to the shops - Fourty ate Nine
3. stop swimming - Lies And more
4. Dads Gone Mental - Earth Tones
5. Earthquakes Rock - Forensic Lips
6. Nuns with men
7. heart broken brother

its all i could work out

rob instigator's answers
 

this was tricky as all fuck!

1.
2.
3.
4. D - Codeine
5. Smashmouth?
6. Hoarfrost? - Sonic Youth
7. A Minor Forest?
8.
9. Chemical Marriage - Mr Bungle
10.
11.
12.
13. Time Isn't On My Side - Polvo
14.
15.
16.
17. Zodiac - Melvins
18.
19.
20.
21. this one is so fucking on the tip of my goddamn tongue (edit - unwound but do not know song

2. Whatever - Husker Du

So now we're at:
1.
2. Husker Du - Whatever
3.
4. D- Codeine
5. Weezer - Tired of Sex
6. Thurston Moore - Elegy For All The Dead Rock Stars
7.
8.
9.
10.
11. Big Black - Kerosene
12. Polvo - Time Isn't On My Side
13.
14.
15. CHOUT- Opposite Day
16. Melvins - Zodiac
17. Yo La Tengo - ??
18. Beck - Ramshackle
19.
20.
21. Unwound - ??

noone but ME got the codeine song man.

Oh wow, sorry, you're right. I thought someone else already got it.

14 - pavement?
20 - aphex twin?

14. Nope
20. Kind of.

I'm not sure you've seen my suggestion, this would be n°14:

Oh, sorry man. I had a feeling that someone had already got it.
1.
2. Husker Du - Whatever
3.
4. D- Codeine
5. Weezer - Tired of Sex
6. Thurston Moore - Elegy For All The Dead Rock Stars
7.
8.
9.
10.
11. Big Black - Kerosene
12. Polvo - Time Isn't On My Side
13.
14. Silver Jews - New Orleans
15. CHOUT- Opposite Day
16. Melvins - Zodiac
17. Yo La Tengo - ??
18. Beck - Ramshackle
19.
20. Aphex Twin related side project - ???
21. Unwound - ??

Thread died so here's the answers:
1. Aphex Twin - Alberto Balsam
2. Husker Du - Whatever
3. µ-Ziq - Swan Vesta
4. Codeine - D
5. Weezer - Tired of Sex
6. Thurston Moore - Elegy For All The Dead Rock Stars
7. Primus - Professor Nutterbutter's House of Treats
8. Mr. Bungle - To Carry Stress In The Jaw
9. Goldie - This is a Bad
10. Fatboy Slim - Love Island
11. Big Black - Kerosene
12. Polvo - Time Isn't On My Side
13. Guided by Voices - Dayton Ohio 19somethingand5
14. Silver Jews - New Orleans
15. CHOUT- Opposite Day
16. Melvins - Zodiac
17. Yo La Tengo - False Alarm
18. Beck - Ramshackle
19. Chavez - Peeled Out Too Late
20. AFX - Laughable Butane Bob
21. Unwound - For Your Entertainment

I'll put an easier one up later, as a lot of you said this was a bit tricky.