From Aniboom : An old man shares his life story on the piano with his young grandchild through evocative music.

The song is: "Comptine d'un autre �t�: l'apr�s midi" composed by: Yann Tiersen, a sortof minimalist (mostly piano) composer like Philip Glass.
Animation by Aidan Gibbons.

[youtube]http://www.youtube.com/watch?v=-ZJDNSp1QJA[/youtube]

Thanks for posting that.  It was a great way to start the weekend.