My colleague Paul Lamere, at The Echo Nest, has been looking at music listening by listener region and artist: most distinctive artists, favorite artists and anti-preferences.  

Here, to go along with that, is a breakdown of music genres by the home cities of the artists responsible:  

We Built This City On  

Some of these are kind of duh, like "chicago house" being the top genre for Chicago. But as always in data-anything, some obviousness is what gives us the courage to believe the things we didn't already think.