Jimmy, Robin Thicke & The Roots play "Blurred Lines" on classroom instruments in the Late Night "Music Room."

Jimmy Fallon - wood block, Casio keyboard
Robin Thicke - spoons
Questlove - wooden clacker
Mark Kelley - kazoo
Kamal Gray - xylophone
James Poyser - melodica
Captain Kirk - ukulele
Tuba Gooding Jr. - recorder, banana shaker
Frank Knuckles - cowbell
Black Thought -- maraca