https://www.youtube.com/watch?v=G_-8EnRLHso As a follow-up to “Slide”, his collaboration with Frank Ocean and Migos, Calvin Harris has released another summer-angled single called “Heatstroke” with Young Thug, Pharrell, and Ariana Grande. https://twitter.com/CalvinHarris/status/831760762846724098 What’s your early pick for song of the summer?