DeBlois is again joined by Arnold, and Otto and Vincent round out the commentary by offering more trench technical information. This is a solid track, althought they spend a bit too much time on story beats. They point out details as they come which hearken back to the first film. They recount what has changed in 5 years, both in the film, for characters and the viking viillage, how it evolved to make room for dragons, and also technological advancements allowed for more refined characters and details. Animating ice and water remained challenging. They reveal the real world inspirations, such as the Norway landscapes, and how domestic animal movement influenced the design for depicting dragon motions. They serve up more background on on individual dragon traits and features, and note the intentions for the creation of new characters, as well as the process to bring them to life. DeBlois talks about how he pitched the role to Cate Blanchett at the Oscars and she was immediately interested. The musical score was more of a collaboration between John Powell and Jonsi this time, with both returning from the first film. They were thankful for the continued involvement of Roger Deakins to give the film such a refined and realistic look. They discuss the complexities of certain shots and note that there are many more scenes of flight in this film. They describe how "camera work" adapts to animation in its contribution to the design of certain shots. Guillermo del Toro and Spielberg were shown parts of the film and both offered valuable ideas that enhanced the final product.