To better get acquainted with how this works, let me first explain how roads affect density. With the new road-centric approach, players can get the same functionality they used to get by zoning by density, but instead of using different zone densities, we limit density by road type.
the music in SimCity works a lot like the previous ones in the sense that there are full length tunes that are chosen to play back at random, like a jukebox. The difference is that in this version the â€œjukeboxâ€ is a little more intelligent. Rather than just picking a tune to play, we look at the population of the city and pick a tune that is suited to the size of the city. As your city grows, so does the playlist of music, and you get tunes that feel â€œbiggerâ€ and more dramatic as your cities grow larger.
This blog is worth opening, they have an mp3 file with actual game music!