Instruct: Given a premise, retrieve hypotheses that are entailed by the premise.
Query: Metalocalypse: The Doomstar Requiem - A Klok Opera is a rock opera special for the Adult Swim animated series Metalocalypse. It was announced on May 10, 2013, by Adult Swim and was released on October 27, 2013. The special picks up directly after "Metalocalypse" season 4. It featured all new music from Dethklok, which was released on a soundtrack album on October 29, 2013.
"Metalocalypse" season 4 was released before October 27, 2013.
Doomsday Device was performed by Flair.
Th' Dudes released another album 2 years later
There are three more songs in the first act of the musical after Close Every Door.
Doom metal is much more extreme than heavy metal.
Dover is currently planning a new album. 
Reunion Hill is a concert album
The misfits released their album after Y2K
The album features a guest appearance from DJ Murda Beatz.
A Faust Symphony has been remade as a rock musical.
 A Faust Symphony has been recreated for modern times.
Donald Clark Osmond will release new music in 2019.
There is a duet on the album.
A Faust Symphony has been remade for modern times.
Doomsday Device was performed by Hogan.
This box set contains music by the band not commonly heard or released.
There are two more songs in the first act of the musical after Close Every Door.
The album contains three tracks from Durham's two studio album.
The album came out years after the previous
The new year occurred two days after the premiere of the opera.
Prior released an album prior to Aspects of Andrew Lloyd Webber.
 Several other unreleased tracks appeared on earlier various artists albums.
Metalocalypse: The Doomstar Requiem is a silent movie.
Metalocaluypse: The Doomstar Requiem is a live action rock opera special.
Dethlklok did not participate in the soundtrack for Metalcalypse: The Doomstar Requiem.