EXCLUSIVE: “The performances in this film are so strong, you don’t need a layer of music to heighten it,” exclaims The Theory of Everything composer Johann Johannsson about how he carefully balanced the score to reflect the life of cosmologist Stephen Hawking as he battled ALS.  Many of the classical, upbeat cues which Johannsson crafted in Theory were inspired by Hawking’s youth and overall vigor in life.  Take a look at this Focus Features behind-the-scenes featurette in which the composer, who was nominated for a Golden Globe, and director James Marsh talk about the film’s moving music.