To me, music really is a great way to relax, deal with emotions, etc. I have so many songs that apply to this topic but here are a few:

IF YOU ARE GETTING OVER SOMEONE:

Say Goodnight-Beth Nielsen Chapman
Here Without You-3 Doors Down
I Feel You-3 Doors Down
Love Me When I am Gone-3 Doors Down
Immortal-Evanescence
Wish You Were Here-Incubus
Far Away-Nickelback
Bittersweet Symphony-Oasis
Stop Crying Your Heart Out-Oasis
I Believe-Diamond Rio
You’re Gone-Diamond Rio
More Than A Memory-Garth Brooks
The Dance-Garth Brooks
When You Come Back to Me-Garth Brooks
I Wish-Jodee Meccina
Why They Call It Falling-Jodee Meccina
Till I can Make it on my Own-Martina McBride
Don’t Cry-Guns N Roses
Fade to Black-Metallica
Without You-Motley Crue