Some bands spend their whole careers just hoping to produce an album as complex, cohesive and creative as A Fever You Can't Sweat Out. Not Panic! At The Disco: They managed to get it right on the first try.

Before you grab a cold washcloth, let's diagnose what caused A Fever.

It all started in the suburbs of Las Vegas when 12-year-old Ryan Ross asked his parents for a guitar for Christmas. Not to be... more