Listen to Grievous Speaks to Lord Sidious (From "Star Wars: Revenge of the Sith"/Score) online. Grievous Speaks to Lord Sidious (From "Star Wars: Revenge of the Sith"/Score) is an English language song and is sung by John Williams and London Symphony Orchestra. Grievous Speaks to Lord Sidious (From "Star Wars: Revenge of the Sith"/Score), from the album Star Wars: Revenge of the Sith, was released in the year 2018. The duration of the song is 2:48. Download English songs online from JioSaavn.