The Bonnaroo Lineup Announcement Megathon (BLAM!) will be streamed right here. The pre-show for the event—which will be hosted by “Weird” Al Yankovic—will kick off at 12pm EST, and the unveiling of the festival’s lineup itself will commence at 1pm EST. Fans will have the opportunity to announce artists via social media by calling into the B.L.A.M. live phone bank (646-918-8070), which opens at 1pm EST. Announcements will also be coming via Twitter, so look out for the hashtag #BLAM. The stream for the event, which will also include a performance by Portugal. The Man, can be viewed above starting at 12pm EST. You can check out the full lineup, as well as an interview with Bonnaroo co-producer Ashley Capps here.