This is sort of a tough one.... Ive been lucky enough *knock on wood* to not go through anything thats been too traumatic. The only ones Ive been coming up with are songs from TV shows or movies that have a sad moment in it. Thats superficial. But nonetheless... I guess Ill say..
It was a song used on So You Think You Can Dance a few years back, and its just sort of a heartbreaking song.