the film was awarded the dolby family fellowship, a grant that allows filmmakers to finish their sound design and mix in dolby atmos. sound designers and re-recording mixers j.m. davey and zach seivers completed the original sound design and mix as well as the dolby atmos remix. skip lievsay, who won the academy award for best sound for his work on "gravity", served as a mentor to davey and seivers for the atmos remix.