Sorry to Swae Lee fans ... they missed out on his hit "Black Beatles" when his Coachella set on Friday night was seemingly cut off! The rapper took the Sahara Stage at Night 1 of Coachella -- which many adoring fans nicknamed "Swaechella" -- and delivered an energetic set that featured a bunch of his hits and showcased tracks from his album, "Same Difference." But, his show came to a screeching halt when Coachella appeared to literally cut the lights out while he was on stage to signify his