Academy Award-winning composer Michael Giacchino revealed in a recent interview with Collider’s Adam Chitwood that he and longtime collaborator Brad Bird are indeed still working on a movie musical. The conversation, part of a brand new series of remote interviews called Collider Connected, covered everything from Giacchino’s short film Monster Challenge (which he just uploaded to YouTube for everyone to watch free-of-charge) to his upcoming work on Matt Reeves’ The Batman. When asked for an update about the musical, Giacchino confirmed that it is definitely still happening, but that he and Bird are still in …