SXSW has added a spate of new speakers to its 2020 conference lineup.Damon Lindelof, Lulu Wang, St. Vincent, Janelle Monáe and Michael Moore are among the keynote speakers who will attend the festival in Austin from March 13 to 22.Fresh off the release of critically acclaimed HBO drama Watchmen, Lindelof will speak with composers Trent Reznor and Atticus Ross about their collaboration on the music for the show.