*You knew this was coming. Jimmy Fallon and his house band the Roots helped Robin Thicke perform his song of the summer — using only classroom instruments.

It’s “Blurred Lines” like you’ve never heard it before.

New dad Fallon, 38, was on the wooden block and Casio keyboard, Thicke, 36, handled the spoons, and Roots members rounded out the sound on kids’ noisemakers including a kazoo, xylophone, recorder, maracas, ukulele and cowbell.

Watch below.