So, it's been a little while since gratuitous cute stuff was posted. This ought to keep the quota up for quite a while. The look they give each other when they realize it's music time is priceless.
This is pretty awesome, just saying. Unless of course his kids feel betrayed by the elaborate lie when they discover it's not real, and it gives them trust issues. That would suck. For the record, I'd never be able to wait for the kids to discover it, I'd be hovering around within 5 minutes urging them to dig deeper.
Original here, thanks to Blake for pointing it out to me.