Calvin Harris announced on Instagram that his new single ‘Summer’ will premiere on Friday, March 14th! He posted a video with a 15 second teaser of the new track. All the teaser features is instrumental, but he did confirm on Twitter over the weekend that his vocals will be on this new song! This is exciting news for Calvin Harris fans everywhere, and judging on that title, it is sure to be one of this summer’s biggest hits. Check out the teaser video below: