wow I don't think I have ever seen these either.. so cool. As for the archive, I don't have or remember where I got them but I can paste them here since I copied the lyrics to a txt document years back, here's what I have:
はなびら
なん色も色付けられた 景色が
いとコマ ゆらり 落ちて行く
花びら 散る
水面に沈む世界に生まれて...