Jimmy Fallon, One Direction - "Santa Claus Is Coming To Town"

Jimmy Fallon - wood block, Casio keyboard
Harry - kazoo, bass drum
Niall - banana shaker
Louis - tambourine
Liam - coconuts
Zayn - triangle
Questlove - hand clackers
Mark Kelley - Fisher Price drum, kazoo
Kamal Gray - xylophone
James Poyser - melodica
Captain Kirk - ukulele
Tuba Gooding Jr. - toy saxophone
Frank Knuckles - bongos
Black Thought - sleigh bells