Monstereophonic (Theaterror vs. Demonarchy)

Monstereophonic (Theaterror vs. Demonarchy) is the eighth studio album by the Finnish rock band Lordi, released on 16 September 2016. While Theaterror, the first half of the album, includes songs in the style that the band is generally known for, the second half of the album, Demonarchy, is conceptual and includes six or more minute songs. The band announced that the members' new costumes will be split in half, representing two sides of the album.

Personnel
Lordi
 * Mr Lordi – vocals, artwork, layout, guitars (tracks 9–14)
 * Amen – guitars (tracks 2–7)
 * OX – bass
 * Mana – drums, backing vocals, engineering
 * Hella – keyboards

Additional musicians
 * Nalle – keyboards (additional)
 * Ralph Ruiz – narration (track 1)
 * Peter Lerche – lead guitars (track 14)
 * Jonas Olsson – stomp march (track 3)
 * Tuomo Saikkonen – vocals (track 6)

Backing vocals
 * Netta Dahlberg
 * Katri Metso
 * Tracy Lipp
 * Jarkko Ahola
 * Jessica Love
 * Dylan Broda

Production
 * Nino Laurenne – production, engineering, mixing
 * Svante Forsbäck – mastering
 * Mikko Röhman – engineering
 * Miiro Varjus – engineering
 * Eero Kokko – photography