Name of song - Day Of sagittarius
Name of anime/game it comes from - The Melancholy of Haruhi Suzumiya
Where you can find an mp3 of it- http://www.4shared.com/audio/E9i14rSx/06_-_Pikiko_geemu_Music.html

This is pretty simple, but alas, I suck at playing by ear.

Song: Katzen Blut
Anime: Well, it comes from The Cat Returns, so I hope that counts as an anime?
Here's mp3: http://www.bomb-mp3.com/download.php?mp3_id=3852634&title=Waltz+katzen+blut-
I have looked everywhere for piano sheet music for this song, but I can't find it anywhere :(