Tsubasa: Reservoir Chronicle is a fantasy adventure manga series written by Clamp that is currently serializing in Kodansha's Weekly Shōnen Magazine which began publication in 2003. Set in a multiverse, its storyline follows a group of five travelers as they journey across the dimensions in search of Sakura's memories. It was adapted by Bee Train into a fifty-two episode anime television series directed by Kōichi Mashimo and partly by Hiroshi Morioka with music direction by Toru Nakano. The first season was broadcast in 2005 spanning twenty-six episodes. Production I.G adapted the series into an anime film directed by Itsuro Kawasaki and music direction by Kazuhiro Iwabayashi, that premiered in 2006. The second season of the anime series followed the film in 2006 spanning the last twenty-six episodes. Production I.G. adapted an additional two OVA series directed by Shunsuke Tada with music direction for the first OVA by Masafumi Mima that aired between 2007 and 2009 spanning five episodes in total. The discography for these adaptations consist of four soundtrack albums, one compilation album, eight maxi singles, two studio albums, and three drama CDs. The core of the discography is the four soundtrack albums released by Victor Entertainment between 2005 and 2006, which together contain the original soundtrack for both seasons of the anime television series. The lyrics, arrangement, and composition for the soundtrack albums are provided by Yuki Kajiura who has provided the background music for anime series such as Madlax, Noir, and .hack//SIGN. The eight maxi singles released by both Victor Entertainment and R and C Limited between 2005 to 2006 and two studio albums released by Victor Entertainment during 2009 each contain one piece of theme music used in the various adaptations of the manga series. A vocal compilation album collecting various songs from the studio albums, maxi singles, and drama CDs released between 2005 to 2006. Three drama CDs have been released by Victor Entertainment between 2005 and 2006 featuring dialogue between the characters from Tsubasa: Reservoir Chronicle voiced by their respective voice actors as well as theme music provided by various artists and performed by a varying combination of the series' five protagonists. Another three drama CDs have been released between 2006 and 2007, with a fourth to be released in 2009, that follow a spin-off storyline featuring characters from both Tsubasa: Reservoir Chronicle and its sister manga series, xxxHolic. Concept and creation When watching Tsubasa