This one is from OGILVY BRASIL COMUNICACAO and got a shortlist at the 2004 Cannes festival. And last year, Leo Burnett also got shortlisted in Cannes with IDENTICAL the same idea.

Rye –

I like the black underneath. That way when a key is taken you can see it missing. I think it adds to the visual interest – I think it should catch my attention and make me walk to to it to see why there are keys missing. It also falls on the idea of other tear-offs [think the ones you see on bulletin boards for babysitting at the coffee house bulletin boards] where you tear one off when you put it up giving a clue that you can take one – or that someone already has.

But if not black underneath – maybe a picture of a kid or adult playing piano or something? Then the flier makes you want to peek under the other keys – or reveals another message when it’s done? But I think repeating the key underneath is a mistake.

yes, is not really clear the realization but the idea i awesome. perfect interaction between media and product

can you tell me where you found this idea, and how I can do the same for my advertisement?
Mary