I think this is a cool approach to data visualization explaining social conditions or communities, and love that you’ve focused on rap here. This is very much in line with the Rap Research Lab. You might dig their projects.
Rap Research Lab is a community-based creative technology studio that uses a Hiphop framework to develop new ways for people to engage with data and culture.
One of their projects was the Mapper’s Delight.
Red/blue can denote gang afiliation, not sure if you meant to refer to that but maybe other colors would remove this connotation.