While most ballads feature soft verses and a heavy chorus, Metallica used massive, distorted guitars for the verses and a softer, melodic acoustic sound for the chorus.
Lead guitarist Kirk Hammett’s solo was a last-minute improvisation born of "raw emotion," moving away from his previously more scripted style. The Music Video Metallica - The Unforgiven
Musically, "The Unforgiven" is famous for flipping the standard power ballad formula: While most ballads feature soft verses and a