Favorite song?

Whats your favorite song. Like of all time. Not just at the momment. Because I do that. Like my favorite song at the momment is sexy can I. But my favorite of all time is yo. So yeah im bored. Tell me ;]

ahaha... we need more fun questions on this site!! ummm...fav song of all time...that's a hard one...ummm I luv all diff types of music...but im a sucker to slow songs!! I luv "dilemma"... as well as "my boo"...and I adore "with you"!! okay...srry I'm rambelin with songs now!! fav. song of all time would be "all my life" - ki-ci and jojo (my heart melts to the song)

I dont have an all time favourite, but I like oldie sad songs like:

bright eyes
life on mars
nights in white satin
tell laura I love her