Feist performing a variant of her Apple-ad famous '1, 2, 3, 4' song on Sesame Street? Very cool to say the least, and perfect for the show! It almost hearkens back to the days of School House Rock.
For those of you not raised with the classic American children's show, Sesame Street is a long running show broadcast on PBS. You'd be hard pressed to find a kid who grew up in the states who hasn't heard of it.
Click below to play the video, definitely worth a look.