nine Region 2 DVD compilation volumes in Japan. Drama CDs A series of four drama CDs were released by King Records between May 23, 2007 and December 12, 2007 titled Magical Girl Lyrical Nanoha StrikerS Sound Stage 01~04. The first drama CD of the series Magical Girl Lyrical Nanoha StrikerS Sound Stage 01 contained a track titled "Empty-Colored Promise" performed by Chiwa Saitō that was featured as an insert song into the eighth episode of the anime television series. Two additional drama CDs were released as part of volume 84 and 100 of Megami Magazine on May 1, 2007 and September 1, 2008 respectively titled Magical Girl Lyrical Nanoha StrikerS Sound Stage M The StrikerS and Magical Girl Lyrical Nanoha StrikerS Sound Stage M3 respectively. An additional drama CD titled Magical Girl Lyrical Nanoha StrikerS Sound Stage X was released by King Records on October 29, 2008. Its storyline takes place two years after the anime series and covers the events surrounding the four new protagonists introduced. CDs The original soundtrack that contained all the background music used throughout the anime series was released across three soundtrack albums titled Magical Girl Lyrical Nanoha StrikerS Original Soundtrack Plus Vol.1~3 that were bundled with first, fifth, and ninth DVD volumes that compiled the episodes aired for the anime series. In total, the soundtrack consisted of seventy-eight tracks composed by Hiroaki Sano that were released between July 25, 2007 and March 26, 2008. King Records released four maxi singles between April 18, 2007 and August 22, 2007 each containing a theme song featured in the anime television series. One of the maxi singles, "Massive Wonders" by Nana Mizuki, also contained a track titled "Pray", which is featured as an insert song into episode twenty-four of the anime series. References External links Official website 2007 anime television series debuts Japanese children's animated action television series Japanese children's animated science fantasy television series Anime television series based on video games Magical girl anime and manga Magical Girl Lyrical Nanoha Shōnen manga Seven Arcs Anime spin-offs TV Tokyo original programming