As metioned in a previous newspost, FictionJunction covered the song Gatherway in Brave Exkaiser’s cover album called Harvest, that will be released on February 23, 2011.
|Yusha Series 20 Shunen Kinen Kikaku Shudaika Cover Album HARVEST
VTCL-60242 | February 23, 2011
JVC updated today with samples of the covered songs. You can listen to Gatherway as covered by FictionJunction and arranged by Yuki Kajiura, and to Arashi no Hero as covered by Yuuka Nanri and arranged by Takumi Ozawa by clicking the links.
Thanks to Keiri for the info!