Panorama, one of summer's premiere music festivals, will return to Randall's Island from July 27th to 29th, 2018 with major headliners including The Weeknd, Janet Jackson and The Killers. Other notable performers include Dua Lipa, Charlotte Gainsbourg, Gucci Mane, The XX, and Grammy nominees SZA and Cardi B. This year, single day, 2-day and…