You know those tracks which you really didn't like when you first heard it, but your opinions changed over time.
I'd like to nominate Persona 3's OST.
My first reaction when I started playing was "Why Jazz/Hip Hop?" But by the time I beat the game, I had the tracks ingrained in memory and can totally jam to them now.
What are some tracks that you began to enjoy as you were exposed to it more and more?
I think everyone who has repeatedly listened to an album has started off particularly liking one or two tracks, but over time tracks they initially didn't care much for become their favourites.
I seem to recall preferring Bad Sneakers on Steely Dan's album Katy Lied, whereas now I love Doctor Wu: