Motown, The Beach Boys, fun novelties, and wistful ballads: So much of what we think of as great summer pop comes from the ’60s. Even as music took a revolutionary turn toward the end of the decade, it retained a sense of innocence that still evokes the feeling of the sun on your face and bare feet in the grass—after all, it wasn’t the Spring, Winter, or Fall of Love that defined the hippie era, but the Summer. Our editors mix things up here now and then, so if you hear something you like, add it to your library.