Jimmy Fallon, Meghan Trainor The Roots Sing All About That Bass (w, Classroom Instruments)

Meghan Trainor stops by the Tonight Show Music Room to perform All About That Jimmy Fallon wood block, bass drum, Casio keyboard Meghan Trainor vocals, triangle Questlove hand clappers Mark Kelley kazoo Kamal Gray xylophone James Poyser melodica Captain Kirk ukulele Frank Knuckles bongos Tuba Gooding Jr. kazoo, apple shaker, banana shaker Black Thought tambourine Subscribe NOW to The Tonight Show Starring Jimmy Fallon: Watch The Tonight Show Starring Jim