Underoath - Define the Great Line 20th Anniversary Tour

Underoath is an American rock band from Tampa, Florida. It was founded by lead vocalist Dallas Taylor and guitarist Luke Morton in 1997 in Ocala, Florida; subsequently, its additional members were from Tampa, including drummer, singer and last remaining original member Aaron Gillespie. The band's current lineup consists of Gillespie, keyboardist Christopher Dudley, lead guitarist Timothy McTague, bassist Grant Brandell, and lead vocalist Spencer Chamberlain. Originally, the band identified as a Christian group; they have since distanced themselves from Christianity.

August Burns Red is an American metalcore band from Lancaster, Pennsylvania, formed in 2003. The band's lineup of guitarists John Benjamin "JB" Brubaker and Brent Rambler, drummer Matt Greiner, lead vocalist Jake Luhrs and bassist Dustin Davidson has remained consistent since 2006. The band was nominated for a Grammy Award in 2016 for Best Metal Performance for the song "Identity" from its 2015 release Found in Far Away Places, and again in 2018 for "Invisible Enemy" from Phantom Anthem (2017).

As Cities Burn is a post-hardcore band from Mandeville, Louisiana, USA, formed in 2002. As an unsigned act, the group accomplished impressive success touring and selling thousands of copies of their two EPs. Their success drew the attention of Solid State Records, who signed them in 2004. ACB released its first full length album, Son, I Loved You At Your Darkest, on June 21 of 2005, and was featured in Solid State's Young Bloods Tour with The Chariot, Showbread, and He Is Legend. Earlier in the year, the band released a statement saying that vocalist TJ was getting married and leaving the band, so they decided to call it quits. However, partially through their 'farewell tour', they decided to stay together, but eventually T.J. decided to depart from the band and go his own way. The band's second album, titled "Come Now Sleep" was released August 14, 2007, on Tooth and Nail Records. Different from their previous recordings, however, the genre featured on Come Now Sleep has been classified by the band themselves as Rock / Indie / Progressive. As Cities Burn's third studio album was released on April 21, 2009, with the title "Hell or High Water". The band's music evolved even more with their final album, venturing into indie rock territory but while still maintaining their unique post-hardcore sound. On the bands myspace on July 17, 2009, the band announced that they had broken up and were going to pursue other interests. As of 2012 they have re-united for a reunion tour with the original line-up from their first full length album SILYAYD. including TJ on Vocals 2013 - they are Currently supporting Underoath on their farewell tour. They have stated that they are only playing song off of Son, I loved you at your darkest. Members: T.J Bonnette-lead vocals Cody Bonnette-vocals, guitar Colin Kimble-Bass guitar/guitar/backup vocals Aaron Lunsford-Drums Chris Lott- Guitar Former Members: Bryan Dixon- Drums Pascal Baronne-Bass