Looking for very sad songs.

I think this thread has been done before. I don't know either of those songs but...

Anathema - One Last Goodbye
Agalloch - Odal
Riverside - Conceiving You
Novembers Doom - Twilight Innocence
Type O Negative - Death in the Family
 
Nocturnal Depression's Nostalgia - Fragments of a Broken Past, Four Seasons to a Depression.
Thy Light's Suici.De.Pression.