The nearly 20-minute-long Metallica track appears on an unlikely collaboration album that the band made with another Rock and Roll Hall of Famer.

With so much music and 40 years of groundbreaking work, there are bound to be classic Metallica songs hiding in plain sight. The heavy metal legends became one of the best-selling bands in history by ...

Metallica (L-R): Kirk ... but it was the Black Album that pushed them into the mainstream, producing the hit singles and set list staples Enter Sandman and Nothing Else Matters.