After announcing his star-studded Funk Wav Bounces Vol. 1 will be out June 30 earlier this week, Scottish producer Calvin Harris has shared the album's third single, "Rollin," featuring Future and Khalid.Following "Slide" and "Heatstroke," the languid, funk-tinged track is anchored by the 19-year-old Texas R&B singer, with the chart-topping Atlanta rapper swooping in at the minute-and-a-half mark to detail his latest retail sprees.Listen to it below, and find out why "Slide" is Zedd's favourite song of the summer so far.Max Mertens is on Twitter.