Actually two mods, each with their own .esp files, but with the exact same function. One of them is called John Carpenter Radio, which is about 70 tracks of music from John Carpenter films. I feel that it fits the mood of the game immensely, and I got a bit of positive feedback in the thread. I'll include some links below to give examples of what the station sounds like. The other is Hotline Miami Radio, which is obviously the music from those games put into a radio station (as well as a few bonus songs that fit the mood, to round the station out at 100 tracks). This was made as a request, but I liked the results enough to post it on /fog/ and use it for my own mod setup.
All these mods do is add radio stations and allow you to build radios in settlements tuned to these custom stations. Nothing else in the CK (hopefully) has been changed.