Metallica released an unpublished "For Whom The Bell Tolls" audio live at the Hampton Coliseum in Virginia in 1986. The track will be part of the special re-release of the Master Of Puppets album. You can hear the version below: https://youtu.be/K0QBJgZIzFw The version features John Marshall on base guitar, instead of frontman James Hetfield who had broken his arm. The special edition of Master Of Puppets will be released on November 10th.