With the completion of the anime, the live MV / Music Video for the opening theme for the second season of anime "Gate: Jieitai Kanochi nite, Kaku Tatakaeri - Enryuu-hen" is now available online - without "fear" of it being pulled! YAY!
Performed by Kishida Kyoudan & The Akeboshi Rockets (Buy the single here), scroll down to bottom of this blogpost to check out the anime opening sequence (before it gets pulled! :p).
WHO-ARE: "Kishida Kyoudan & The Akeboshi Rockets (岸田教団&THE明星ロケッツ Kishida Kyōdan & the Akeboshi Rockets?) is a Japanese rock band currently signed to Warner Home Video. Beginning in 2004 as a one-man unit covering songs from different series, more members joined in 2007, and in 2010 the band made their major debut with the single "Highschool of the Dead", used as the opening theme of the 2010 anime television series Highschool of the Dead." (Wiki / Official www: kisidakyoudan.com)