Metallica’s original 1991 album, The Black Album, contains 12 songs.
The sequence begins with “Enter Sandman” and continues through a mix of heavy, groove-focused tracks and more melodic material. Its songs include “Sad but True,” “Holier Than Thou,” “The Unforgiven,” “Wherever I May Roam,” “Don’t Tread on Me,” “Through the Never,” “Nothing Else Matters,” “Of Wolf and Man,” “The God That Failed,” “My Friend of Misery,” and “The Struggle Within.”
The twelve-track structure helped the album maintain a strong balance between radio-ready singles and deeper album cuts. “Nothing Else Matters” became a major ballad, while “My Friend of Misery” developed from an instrumental idea originally associated with bassist Jason Newsted.
Expanded anniversary editions add demos, live recordings, and alternate material, so their track counts are much higher. The answer here refers specifically to the original studio album released in 1991, not later box sets or deluxe editions.