‘Musical preferences have become increasingly uniform across the country, but there are still some pretty strong regional preferences. This map breaks down those distinctive preferences along state lines.
The map is the work of Paul Lamere, who used musical data from 250,000 listeners through streaming service The Echo Nest, where he’s the Director of Developer Platform.
What it’s not, however, is a map of the most popular music in each state, which tends to crossover quite a bit between individual states. It’s the most distinctive music, the music that’s listened to more in that particular state than anywhere else in the rest of the country.’ (io9).