^^ here are some more

Ashita wo Watashi wo Shinjitai [Ishitsuka Saori] Fushigi Yuugi OVA song
Driver's High [L`rc-en-ciel] GTO opening
Walking in this Empty Age [Ishida Yoko] from Texhnolyze
Gravity [Maaya Sakamoto] Wolf's Rain end
Cloud 9 [Maaya Sakamoto] Wolf's Rain song
Rakuen no Tobira [White Bound] Matantei Loki Ragnarok op
Believe in Heaven [Shinichirou Miki] Matantei Loki Ragnarok end
Towa no Hana [Ishida Yoko] Ai Yori Aoshi