After some long and painfull hours of choosing between songs that are like honey to my ears, ive got this:
1) "Jouhou" by Suitei-Shojo, from E's Otherwise
2) "The Tears of the Blue Sky" (Aozora no Namida) by Hitomi Takahashi, from Blood+ (Opening 1)
3) "Masterpiece" by Mami Kawada, from Toaru...