Metallica joins Jimmy and The Roots in the Tonight Show Music Room to perform "Enter Sandman" with classroom instruments. Instrument list below: James Hetfield - Vocals, Toy clarinet Jimmy Fallon - Vocals, Bass Drum, Casio Keyboard, Kazoo Lars Ulrich - Fisher Price Drum, Toy Cymbals Kirk Hammett - Melodica Robert Trujillo - Baby Electric Axe Questlove - Hand Clappers, Kazoo Kamal Gray - Xylophone James Poyser - Melodica Captain Kirk - Ukulele Tuba Gooding Jr. - Kazoo, Banana Shaker, Apple Shaker Mark Kelley - Kazoo Frank Knuckles - Bongos Black Thought - Tambourine, Brown Hat Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: https://Facebook.com/JimmyFallon Get more The Tonight Show Starring Jimmy Fallon: Follow The Tonight Show: http://Twitter.com/FallonTonight Like The Tonight Show: https://Facebook.com/FallonTonight The Tonight Show Tumblr: http://fallontonight.tumblr.com/ Get more NBC: NBC YouTube: http://bit.ly/1dM1qBH Like NBC: http://Facebook.com/NBC Follow NBC: http://Twitter.com/NBC NBC Tumblr: http://nbctv.tumblr.com/ NBC Google+: https://plus.google.com/+NBC/posts The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show including: comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags! You'll also find behind the scenes videos and other great web exclusives. Jimmy Fallon, Metallica & The Roots Sing "Enter Sandman" (Classroom Instruments) http://www.youtube.com/fallontonight #FallonTonight #ClassroomInstruments #JimmyFallon