Pharrell Williams, center, performs "Happy" during the Oscars at the Dolby Theatre on Sunday, with the help of dancers who attend an L.A. high school (they're dressed in pastel colors). John Shearer/John Shearer/Invision/AP hide caption

A map of the U.S. lists the musical acts that set states apart from each other. It's not a matter of an artist's popularity, says Paul Lamere, who made the map, but of a state's distinct preferences. Paul Lamere, Director of Developer Platform at The Echo Nest hide caption

Kayne West performs with Rihanna at half-time of the NBA All-Star Game. Robyn Beck/AFP/Getty Images hide caption