Clone trooper film series and in the "Star Wars" expanded universe media, a number of specialized trooper units are seen, including elite special forces units such as the 'Advanced Reconnaissance Commandos' (ARC troopers), and Null ARCs, who usually work alone. All clone commandos and ARCs were trained by Mandalorian mercenaries; the elite Clone Troopers are known as Shadow Troopers. The style and color of a clone troopers armor often varies depending on their rank, specialization, unit, or environment, for example, the clone troopers on Kashyyyk wear camouflage green scout-style armour whereas the 501st legion wears standard white armor with blue accents. Another
Solo: A Star Wars Story following month, Williams recorded the demos with the Recording Arts Orchestra of Los Angeles at the [[20th Century Fox|Newman Scoring Stage]]. Powell interpolated Williams' new theme into his score, as well as incorporating music by Williams from previous "Star Wars" films, including the [[Star Wars (Main Title)|"Star Wars" main title]], and several motifs and cues from "A New Hope", "[[The Empire Strikes Back]]", and "The Phantom Menace". Powell revealed the track listing on his [[Instagram]] page. [[Walt Disney Records]] released the soundtrack album on May 25. [[File:Cannes 2018 Star Wars 2.jpg|thumb|Cast, director and producer promoting the film at the [[2018