It's locked in at No. 2 on our ranking of the top Metallica songs of all time, and with good reason. Few songs in musical history rock as goddamn hard as their 1991 classic, "Enter Sandman." But we've never heard it quite like this.
While on the Tonight Show to promote their shockingly awesome new album Hardwired... to Self-Destruct (listen to the singles "Moth Into Flame" and "Atlas Rise" immediately), James Hetfield and the gang joined up with Jimmy Fallon and the Roots to produce this instant-classic version of their nightmarish megahit.
Who knew the kazoo could be this badass?