General Grievous ' s theme " General Grievous ' s theme " is a piece of music written by John Williams for the of the 2005 and its respective score . It represents the character of the Separatist General Grievous and was performed in 2005 by the London Symphony Orchestra and the London Voices , the used for the previous two prequels . The appears three times in " Revenge of the Sith " and twice in its . " General Grievous ' s theme " prominently features a number of , playing the melody , and the London Voices . The composition also makes an appearance in the and in " " . Conception and development . Composer John Williams wrote the score for , as he had done for all five previous " Star Wars " . In 2005 , he worked with the London Symphony Orchestra and the London Voices to perform the score , as he had done for the two previous prequels . Both the Orchestra and choir were used in " General Grievous ' s theme , " the main utilized to identify with the Separatist character General Grievous , the cyborg leader of the Separatist Droid Army following the death of Count Dooku . The was released on May 3 , 2005 and again on May 24 as an download . On September 25 , 2015 , Sony Classical announced it would be releasing the " Revenge of the Sith " soundtrack along with the other five films ' soundtracks in three new sets : the " " , the " " , and the " " on January 8 , 2016 . Summary . " General Grievous ' s theme " appears twice on the . The track " Grievous Speaks to Lord Sidious " has the most discernible and complex form of the theme . The piece is generally , meaning that sections play their own unique parts dissimilar in rhythm and pitch to those of other instruments or groups . In this track , the theme starts off with a rapid part . then come in , followed by playing the main melody , which is broken into three sections by short rests . This is repeated once , before the London Voices enter , singing between the brass phrases . The theme ends suddenly as the chorus and drop off all at once . The theme also appears in the track " Star Wars and The Revenge of the Sith . " This version is simply a — a part that features a single section rather than an individual musician — which is followed by the beginning of the theme , replacing the horns with tubas . Use . In the soundtracks . " General Grievous ' s theme " is featured for the first time four minutes and forty - six seconds into the track " Star Wars and The Revenge of the Sith , " the first track on the " Revenge of the Sith " soundtrack . It is also heard at the beginning of " Grievous Speaks to Lord Sidious , " the soundtrack ' s thirteenth track . In the movies . " General Grievous ' s theme " is exclusively used in " Revenge of the Sith " . It appears in the scene aboard the " Invisible Hand " , General Grievous ' s flagship , when Grievous is seen for the first time in the film . It appears a second time in the scene showing Grievous arriving on the sinkhole planet Utapau in a " Sheathipede " - class transport shuttle . This scene contains the theme ' s most complex appearance . The theme is heard for a third time during the lightsaber duel between Grievous and Jedi Master Obi - Wan Kenobi in the hangar in Pau City , the capital city of Utapau , which results in Grievous ' s death . The theme is also used in the chapter menu on the film ' s DVD that uses the hangar scene as the screen background . In the Expanded Universe . The theme appears in the 2005 video game " " , in the level " Showdown with Grievous . " It also appears in the level " General Grievous " in the Episode III section of the 2007 non - canon video game " " . Additionally , the 2011 BioWare online role - playing game " " included the theme , played during the Huttball player - versus - player warzone instance .