The documentary ‘Music by John Williams’ unveils surprising insights about the iconic composer behind beloved film scores like ‘Star Wars’ and ‘Harry Potter.’ With 54 Oscar nominations, Williams’ impact on Hollywood is undeniable. Collaboration with Steven Spielberg defined his career, yet he claims to be no cinephile, composing daily outside the film world. The film highlights his enduring appeal, showcasing moments like conducting ‘Star Wars’ melodies for an enthusiastic audience. Streaming begins November 1 on Disney+, celebrating a legend whose music remains ingrained in the collective consciousness of cinema.