Taken from the Time Newsfeed: http://newsfeed.time.com/2014/02/25/here-i...-favorite-band/
The Echo Nest provides a music intelligence platform to hugely popular services like Rdio, Spotify and MTV, so they have a ton of data on what people across America like to listen to. By digging into this well of information they were able to discern what states listen to specific bands more than other states and created a map that displays that data.
Most interestingly for our little community, Linkin Park are apparently most popular in Arizona. Because of the Chester connection, perhaps? Anyway, here's the full map: