So many...
all of portishead's stuff
Dido - My lover's gone, and Isobel
Metallica - Mama Said, Unforgiven (actually the entire black album)
Here without you - 3 doors down
They weren't there - Missy Higgins
(and all the other songs on The Sound of White)
Angie - Rolling Stones
Bother - Stone Sour
Vermillion pt 2 - Slipknot
Brick - Ben Folds Five
The Drugs Don't work, and Bittersweet Symphony - The Verve
Amen Omen - Ben Harper
What its like - Everlast
Battle of Evermore, Stairway to Heaven, Babe I'm gonna leave you - Led Zeppelin
While my guitar gently weeps, Sexy Sadie - Beatles
Sound of Silence - Simon and Garfunkel
Roulette - SOAD
Gone Away - offspring
The metre - powderfinger
ummm....that song off Bridget Jones Diary...out of reach?
Jeff Buckley
...and I'm told the saddest song ever is Vincent by Don Mclean
*crys*