Most of us fans have a silly tendency to look at our favorite musicians as being the smartest people in the world. Within their lyrics we know we’ll find the answers to everything, if we just look hard enough. In truth, most musicians are no smarter than any of us—often much less so. You can find many books on this subject. Georgia, Ira and James of Yo La Tengo are exceptions to this rule, and Popular Songs, their 12th (or 14th, depending on what and how you count) album is the proof. [...]