Break ups are weird for me because I've never really broken up with someone I was romantically involved with in the way that they show in the movies. I was dumped long distance once. That was no fun, especially cause I was in love for the first time in my life and she just made me feel relentlessly happy. I've had to accept rejection, but of course that's way different. I've dealt with folks who got so mad at me it fundamentally changed our relationships, but I've never had the "We Need to End This" Talk. Just lots of unreturned phone calls and emails. (see below)

Obviously, there is a literal butt-ton of great songs that can get filed here. The one that speaks most directly is the Tori song(again) below. If you can't guess what it is, then U R Lame. (ack...I can't believe I wrote that... but...well, you are.) Anyway, on their last album, Lateralus, Tool wrote a few fabulous songs on the subject. The one you've already heard is really the best, but I had to mention one more.

Schism
Tool

I know the pieces fit cuz I watched them fall away
Mildewed and smoldering. Fundamental differing.
Pure intention juxtaposed will set two lovers souls in motion
Disintegrating as it goes testing our communication
The light that fueled our fire then has burned a hole between us so
We cannot see to reach an end crippling our communication.

I know the pieces fit cuz I watched them tumble down
No fault, none to blame it doesn't mean I don't desire to
Point the finger, blame the other, watch the temple topple over.
To bring the pieces back together, rediscover communication

The poetry that comes from the squaring off between,
And the circling is worth it.
Finding beauty in the dissonance.

There was a time that the pieces fit, but I watched them fall away.
Mildewed and smoldering, strangled by our coveting
I've done the math enough to know the dangers of our second guessing
Doomed to crumble unless we grow, and strengthen our communication.

Cold silence has a tendency to atrophy any
Sense of compassion
Between supposed lovers

The other is much, much longer than it looks, but words cannot describe how it make a person ache. Even someone who hasn't never been through a real break up.

Disposition
Tool

Mention this to me
Mention something, mention anything

Watch the weather change

Obvious Answers
Tori Amos: Hey, Jupiter
They Might Be Giants: They'll Need a Crane