 Klepacki 's next project was a game collaboration by SEGA and Petroglyph named Universe at War : Earth Assault . As of December 2006 , he had composed several songs for various factions and enjoyed the " opportunity to create something new again , not based on ... existing intellectual property . Klepacki " began by taking into account what songs were identified as fan favorites in ... past related work " . He was interviewed about the creative process on March 27 , 2007 by Kevin Yu , a Petroglyph community manager , and provided a detailed tour of his studio at the company . His office included one of the fastest computers at Petroglyph and a vocal booth where unit responses and other vocalizations were tested and tweaked before voice actors performed finishing work . Klepacki was glad that Universe of War did not demand strict obedience to a particular style . He declared that surprises were in store for Command & Conquer fans waiting for him to return to his " roots " and " adrenaline @-@ pumping soundtrack style " , and suggested that they " imagine my mindset ... when Command & Conquer first came out , and add about fifteen years experience to that . " Klepacki summarized the game 's main styles shortly before release : 
