This morning, John, Frank's dad came in our classroom to play one of the piece we are studying in Music class : "l'éléphant", de Camille Saint Saens.
I am sharing with you the video via google drive, the link opens on my android phone and on my iPad, but I don't know why! here it is :
https://drive.google.com/a/lilaschool.com/file/d/0BxJK8j-2k3dxM3BQajNWYmNlZHM/view?usp=drivesdk
Thank you again, John!