Talk about a first line-up announcement. Kendrick Lamar, Tyler, The Creator and A$AP Rocky are among the first names announced to play next year’s Longitude festival. Returning to Marlay Park in Dublin across July 3-5, the festival have also revealed the following in the first line-up announcement: J Hus, AJ Tracey, Young Thug, Dababy, Aitch, Playboi Carti, Lil Tecca, Mabel, Charli CXC, Jay1, Earthgang, Pop Smoke, IDK and Santi. More acts are to be announced. See the day-by-day headliner breakdown below. Friday July 3rd: Kendrick Lamar & J Hus Saturday July 4th: Tyler, The Creator & AJ Tracey Sunday July…