The annual “song of the summer” competition is bullshit. Like summer movie season, which has taken over much of the calendar year over the course of Marvel’s latest phase, the song of the summer is a temporally inaccurate designation. But even if the song of the summer only made its presence felt during three months of the year, it would still be a bad idea. When you’re young, summer is its own world, encompassing a variety of distinct moods. There’s the exhilarating sense of freedom of early summer days, which give way to the boring doldrums of mid-summer, and finally…