That's a NES cartridge and a harmonica. I think you know where this is going. This is going exactly where the intersection of nostalgia and commercialism should have gone like ten freaking years ago. I've googled all sorts of combinations like "NES harmonica" and "nintendo harmonica" and "NES cartridge instrument" and I can't find anything like this. Everybody talks about blowing on the game like a harmonica, but as far as I know I'm the first person on the Internet to actually use a harmonica.
thanks Murilo + Polim