Opposing to many others' cases, mine is that I found Arrietty (and Studio Ghibli in general) thanks to Cecile (Arrietty sounds cool, let's google it, lol). I guess she would be pleased by hearing that.
One album for the harp player is listed here ~~~ http://www.last.fm/music/C%C3%A9cile+Corbel/The+Secret+World+of+Arrietty+Soundtrack+Album ~~~~~~~~~~~but two others are listed for her without the acute accent ~~~ http://www.last.fm/music/Cecile+Corbel/Songbook+1 ~~~~~~~~~~~~~~~ http://www.last.fm/music/Cecile+Corbel/Harpe+Celtique+Et+Chants+Du+Monde
v you talking about GHIBLI's "Arrietty"-movie???? yes, if you generally like anime or ghibli movies you will not be disappointed. for some people it might be too "boring", but for me it's the best ghibli film together with nausicaä, tenku no shiro laputa, mononoke and chihiro. an absolute pleasure to watch + the awesome soundtrack