The Vasari Music Theme of Sins of a Solar Empire, a very good RTS in the space.
(c). The rights of this music belong to their respective owners.
Informations from the official website : Take control of one of three space-faring races as you work to establish your dominance of the galaxy in Sins of a Solar Empire. Through a combination of diplomacy, economic savvy, the spread of culture and of course sheer brute force and victory on the battlefield you will establish order over your corner of the galaxy.