Originally Posted by: aschlemanNot sure I can even say what the best song ever written is... in my own opinion. To me songs are a lot more than words. Any song that successfully conveys an emotion and makes you feel what the writer wants you to feel is a well written song in my book. There are way too many...

Yeah,i agree.
I would say a good song is one that finds you in a certain state of mind,and a mere listen to it changes the state of your mind.