A way to express yourself in a way that people will remember.
a way to turn the rantings of a crazy dude into a melody that people will actually listen to and think about.
guy1: man, that guy's life must really suck right now.
guy1: just listen to his song.
guy1: what the hell is wrong with that dude?
guy2: I think he's trying to write a song.
guy1: well could you go over there and give him some music to put his lyrics with? he's scaring the kids!