The Star Wars: The Clone Wars soundtrack album was released on August 12, 2008. The album features over 67 minutes of Kevin Kiner's score from the film, performed by the Prague Philharmonic Orchestra. The soundtrack also begins with the main theme by John Williams. Just as The Clone Wars is geared toward younger audiences than the previous films, the soundtrack is considered lighter than the previous scores by John Williams. The soundtrack uses many instruments never heard before in a Star Wars score, including synthesizers, electric guitars, echoes, duduks, ouds and taikos. The average track runs about two minutes, with tracks from more climactic scenes running about four minutes.