Great question - two books, two soundtracks:
The Line (chapter specific)
Prologue. Just a Girl, No Doubt
1. Cabron, Red Hot Chili Peppers
2. Ever Fallen In Love with Someone (You Shouldn't Have Fallen in Love With), Buzzcocks
6. Battle Without Honor or Humanity, Tomoyasu Hotei
11. Macy's Day Parade, Green Day
12. Wise Up, Aimee Mann
17. The Way Your Look Tonight, (personally, I like the Tony Bennett cover)
20. Perfect Situation, Weezer
21. Bittersweet Symphony, The Verve
22. Stormy Weather, (I like the Royal Crown Revue cover)
25. Don't Look Back in Anger, Oasis
A Fine Line
3. We're Going to Be Friends (Whitestripes, although the Jack Johnson version is also very good)
6. Don't Speak, No Doubt
8. Sing, Sing, Sing (with a Swing), various artists
9. Sad Songs and Waltzes, Cake
11. Sitting, Waiting, Wishing, Jack Johnson
11. (bonus track) Genius of Love, Tom Tom Club
14. With A Little Help From My Friends (I prefer the version from Across the Universe)
15. Should I Stay or Should I Go?, The Clash
16. Lose Yourself, Eminem
19. Insensitive, Jann Arden
21. Wise Up, Aimee Mann
22. Walking After You, Foo Fighters
23. Good Riddance, Green Day
24. American Boy, Estelle (ft. Kanye West)