

The cover of the album features a tribute to Jimmy "The Rev" Sullivan, the tombstone reads "FOREVER" with emphasis on "REV". As of December 2016, the album has sold 964,000 copies in the United States. The album debuted at number one in the Billboard 200 in the United States and was certified Platinum by the RIAA. They then hired drummer Arin Ilejay, who played with the band from 2011 to 2015. The rest of the drum tracks were handled by Dream Theater drummer Mike Portnoy, who also played with the band for all their tours through the end of 2010.


However, he did write parts that were used for the final recordings, making this the last album he would write on, The Rev's vocals are still on the album as a tribute to him. Nightmare is Avenged Sevenfold's first album recorded without Jimmy "The Rev" Sullivan performing drums on all the songs due to his death in December 2009. It was produced by Mike Elizondo, mixed in New York City by audio engineer Andy Wallace, and mastered by Ted Jensen. Nightmare is the fifth studio album by American heavy metal band Avenged Sevenfold.
