What's the saddest song you've ever hears? (a meaningful one)

this aint nothin by craig morgan.

BitterSweet By Within Temptation

Zero by Hawk Nelson.

Kagamine Rin's Paper plane. I cried and cried!
YOU try not feeling deep sorrow after listening.

Within Temptation - Forgiven

There are a few:
Mirror Song: Luke Conard/Kristina Horner--it's about long distance relationships, and the video is really sad
Run: Snow Patrol
Somewhere Only We Know: Keane
Lonely Lullaby: Owl City
:(

Soo many

1. Why- Rascal Flatts (This came out right after my best friend committed suicide)
2. Skin- Rascal Flatts (Cancer)
3. The Baby- Blake Shelton
4. I'm Already There- Lonestar
5. This Ain't Nothing- Craig Morgan
6. Car Crash- Wakey!Wakey!

Hallucinations by Angels and Airwaves :)
its sad in a happy way...
if that makes sense

Bittersweet - Within Temptation
Like You - Evanescence
Dead Boy's Poem - Nightwish
My Immortal - Evanescence
Forgiven - Within Temptation
Chasing the Dragon - Epica
Higher Than Hope - Nightwish
Shadow of the Day - Linkin Park
Safeguard to Paradise - Epica
Missing - Evanescence
Careless Whisper - Seether
Lucy - Skillet

These songs by David Bowie:

- MY DEATH
- After All
- Cygnet Committee