Roots of Dee Snider

Attack Attack! is an American metalcore band from Westerville, Ohio, originally formed in 2007 as Ambiance. After self-releasing their first EP in 2007, the band signed to Rise Records the same year. They have released four full-length albums, Someday Came Suddenly, Attack Attack!, This Means War and Attack Attack! II. The band left Rise Records in 2012 and disbanded the following year after a farewell tour. On October 19, 2020, the band announced a re-formation, with a mix of returning and new members.

Motionless in White is an American metalcore band from Scranton, Pennsylvania. Formed in 2004, the band consists of lead vocalist Chris "Motionless" Cerulli, guitarists Ryan Sitkowski and Ricky "Horror" Olson, drummer Vinny Mauro and bassist Justin Morrow. Cerulli is the only member of the original line-up that remains in the band. The group has stated that their band name derived from the Eighteen Visions song "Motionless and White".

Ayreon is a musical project by Dutch songwriter, singer, musician and record producer Arjen Anthony Lucassen. Ayreon's music is described as progressive rock, progressive metal and power metal sometimes combined with genres such as folk, electronica, experimental and classical music. The majority of Ayreon's albums are dubbed "rock operas" because the albums contain complex storylines featuring a host of characters, usually with each one being represented by a unique vocalist.