In this thread you can talk about all the music you like or dislike from different games.
I know that one of my favourite bits of music has to be Frog Forest from Sonic Heroes simply because of how peaceful and relaxing it is. Sometimes when I play the stage I lose track as I'm thinking about the music over the actual dynamics of the stage itself. Frog Forest
FFX, Diablo III, Lightning Returns (New Game+) FFXIV A Realm Reborn, AC4