That's just the beginning of the volume of names included in the announcement, as Global Citizen has also set a a six-hour streaming event to precede the televised two-hour special, with about 80 singers and actors taking part in that. Among the high-profile artists participating in the live-stream pre-telecast are John Legend, Jennifer Hudson, Sheryl Crow, Luis Fonsi, the Killers, Lang Lang, Lady Antebellum, Charlie Puth, Ben Platt, Hozier, Jack Johnson, Juanes, Maren Morris, Michael Buble, Adam Lambert, Annie Lennox and Common.