I'll go first to show how it's done. I've bolded my favorite and least so they can be seen easier.
1. The Killers - Somebody Told Me 20
2. Bloc Party - Banquet 20
3. Blur - Song 2 20
4. Nirvana - Come As You Are 20
5. Radiohead - Paranoid Android 20
6. Coldplay - Fix You 20
7. The White Stripes - Blue Orchid 20
8. Green Day - Boulevard of Broken Dreams 20
9. Gorillaz - Dare +21
10. Muse - Supermassive Black Hole 20
11. Kaiser Chiefs - I Predict a Riot 20
12. The Pipettes - Pull Shapes 20
13. Arctic Monkeys - I Bet You Look Good on the Dancefloor 20
14. Franz Ferdinand - Take Me Out 20
15. Kasabian - Club Foot -19
16. Babyshambles - **** Forever 20
17. The Rakes - 22 Grand Job 20
18. Hard Fi - Cash Machine 20
19. Editors - Munich 20
20. The Cure - Just Like Heaven 20