Children singing WWRY in soap ad

Hi! I haven´t visited QZ for a while but I think this hasn't been posted yet. It's a soap powder advertisement from Argentina where a group of children sing and "play" WWRY:

http://www.youtube.com/watch?v=2alzf5-5lm8

Wow! I LOVED it! That was awesome!!!

The product is the soap powder OMO. The ad was created by Neogama/BBH and the film is produced by Ocean Films. The brazilian version of the advertisement:

http://www.youtube.com/watch?v=SKTDqAeNHyQ