We get a lot of mail at NPR Music, and alongside that one CD which appears to have been pulverized by a steamroller is a slew of smart questions about how music fits into our lives — and, this week, thoughts on what transforms a mere hit single into the agreed-upon song of the summer.
Kemper writes via Facebook: "When do we know what the song of summer will be? Have we already heard this year's song? If not, when do we typically start to hear it? Why do the other seasons lack their own song?"