The following songs are from Anime News Networks’s site that were issued by Sphere and Yoko Kanno and posted on YubTube, for the Earthquake and Tsunami victims. Follow the links below to the actual article as well as audio to listen to the songs or listen to them below.
http://www.animenewsnetwork.com/interest/2011-03-14/sphere-milky-holmes-support-quake-victims-in-words-song
http://www.animenewsnetwork.com/interest/2011-03-13/yoko-kanno-posts-song-to-support-quake-victims