<P> The music of the Star Wars franchise is composed and produced in conjunction with the development of the feature films, television series, and other merchandise within the epic space opera franchise created by George Lucas . The music for the primary feature films (which serves as the basis for the rest of the related media) was written by John Williams . </P> <P> Released between 1977 and 2017, the music for the primary feature films was, in the case of the first two trilogies, performed by the London Symphony Orchestra and, in select passages, by the London Voices chorus . Williams also scored the seventh and eighth episodes in the franchise's sequel trilogy, and he is currently slated to score the ninth (and last) episode as well . The sequel trilogy was largely orchestrated and conducted by William Ross, and it was performed by a freelance Hollywood orchestra and (in a few passages) by the Los Angeles Master Chorale . Williams' scores for the eight saga films count among the most widely known and popular contributions to modern film music . </P>

Who wrote the musical score for star wars