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Black Sabbath, Billie Holiday, and Leonard Cohen’s best shots at a #1 summer hit

Data-mining finds sunshiny pop songs in some unlikely places.

We asked Glenn McDonald of Echo Nest to find the most summer-poppy tracks from famously downbeat bands. Here's his full playlist.

Below are the most “summery” songs from a set of artists you might not associate with summer, or even sunlight.

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