Name of song Wasurenaide (piano solo)
Name of anime/game it comes from Great Detectives Poirot and Marple
Name of composer Tatsuro Yamashita

Well there is a a piano alone version of this piece I know i heard it in the anime I am only at a loss where to find it :\

O well hopefully my request get fulfilled it has all the time in the world (continues to practice laputa)