The very first theme you'll hear once you're given free reign to build is the Village music. As long as you have fewer than 2,000 residents living in your plot of land, it will remain a village. The music is peaceful and serene, and perfectly fits the slow pace of village life. A portion of the song is later counter-balanced with the Megalopolis tune, which plays at peak population density.
The title comes from the Nintendo Super Famicom Game Music compilation album.