
The seismic structural landscape of independent heavy music has just received its biggest touring blueprint of the decade. Commemorating twenty years of the landmark, genre-redefining masterpiece that completely shattered mainstream commercial expectations, Tampa, Florida icons Underoath have officially announced their monumental “Define The Great Line” North American anniversary tour. Set to devastate premium arenas and major amphitheaters this autumn, this historic trek will stand as one of the most high-velocity lineups of the generation—bringing together a bulletproof vanguard of scene royalty including August Burns Red, Atreyu, Emery, and As Cities Burn.
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“It Gave Us Permission to Be Ourselves”: The Legacy of 2006
When Underoath entered the studio to track Define The Great Line as the immediate follow-up to their 2004 gold-certified breakthrough They’re Only Chasing Safety, they chose a path of high creative tension. Rather than leaning into the formulaic, radio-friendly pop-punk trends dominating the era, the group pivoted toward a jarring, dark, and ambient sonic landscape. The high-risk gamble paid off instantly, making history when the uncompromisingly heavy record debuted at a staggering No. 2 on the Billboard 200 chart.
Reflecting on what the record represents two decades later, Underoath keyboardist and tracking architect Chris Dudley delivered a deeply moving statement on the album’s long-term endurance: “What this album has meant to us, and so many others, over the past 20 years is hard to quantify,” Dudley shared with absolute vulnerability. “It gave us permission to be ourselves. It sent us around the world. It gave people the freedom to say (and scream) the things out loud they had buried deep. It will outlive us. We still play these songs on stage 20 years later and get those chills. The opportunity to devote an entire tour to presenting this album in the best way it ever has been, alongside friends we’ve had since before it was released, is going to be bucket list material for us.”
Reassembling the Foundational Class: Camaraderie and New Music
What makes this anniversary routing uniquely historical is the deliberate curation of the support roster. Rather than booking trending viral acts, Underoath intentionally assembled a lineup of their absolute closest lifelong friends who shared the trenches of the mid-2000s post-hardcore explosion.
The tour comes at an incredibly high-velocity creative moment for the entire package. Beyond celebrating past milestones, tour mates August Burns Red, As Cities Burn, and Emery are concurrently tracking and preparing to unleash brand-new studio material across the touring grid, promising a spectacular blend of nostalgia and forward-thinking sonic aggression.
Prior to launching this premium arena run in November, Underoath will spend the summer stripping away the production for their incredibly intimate “Van Tour To Vans Warped Tour” alongside HELD., performing raw club shows on their way to headlining the massive Warped Tour anniversary events in Washington, D.C. and Long Beach, California.
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Define The Great Line 20th Anniversary Tour: Complete 2026 Schedule
November 5 – St. Louis, MO @ The Pageant *
November 6 – Oklahoma City, MO @ The Criterion *
November 7 – Albuquerque, NM @ Revel Entertainment Center*
November 9 – Phoenix, AZ @ Arizona Financial Theatre *
November 10 – San Diego, CA @ SOMA *
November 12 – Las Vegas, NV @ Brooklyn Bowl *
November 13 – [to be announced]
November 14 – San Francisco, CA @ The Masonic *
November 16 – Seattle, WA @ Paramount Theatre *
November 17 – Vancouver, BC @ PNE Forum *
November 19 – Salt Lake City, UT @ The Union Event Center *
November 21 – Denver, CO @ Fillmore Auditorium *
November 23 – Minneapolis, MN @ The Armory *
November 24 – Chicago, IL @ Aragon Ballroom *
November 25 – Grand Rapids, MI @ GLC Live at 20 Monroe *
November 27 – [to be announced]
November 28 – Montreal, QC @ MTELUS ^#
November 29 – Boston, MA @ MGM Music Hall at Fenway ^
December 1 – Philadelphia, PA @ The Fillmore ^
December 3 – Lancaster, PA @ Freedom Hall ^
December 4 – Cincinnati, OH @ The Andrew J Brady Music Center ^
December 5 – Indianapolis, IN @ Egyptian Room at Old National Centre
December 6 – Detroit, MI @ The Fillmore ^
December 8 – Brooklyn, NY @ Brooklyn Paramount ^
December 11 – Raleigh, NC @ The Ritz ^
December 12 – Myrtle Beach, SC @ House of Blues ^
December 13 – [to be announced]
December 15 – Austin, TX @ ACL Live at the Moody Theater ^
December 16 – Houston, TX @ Bayou Music Center ^
December 18 – Tampa, FL @ Yuengling Center ^
* Indicates show with As Cities Burn
^ Indicates show with Emery
# Atreyu not performing
FAQ: The Underoath 20th Anniversary Tour
What songs will Underoath play on this anniversary tour?
Underoath will perform their entire 2006 double-platinum masterpiece Define The Great Line from front to back, including historical live staples like “In Regards To Myself,” “You’re Ever So Inviting,” and the iconic “Writing On The Walls.”
When do tickets officially go on sale to the general public?
Following specialized artist, Spotify, and Live Nation venue presales throughout the week, general public ticket access officially unlocks this Friday, June 12th at 10:00 AM local time via this location.
Why is Atreyu not performing on the Montreal tour date?
Due to prior festival obligations and border routing conflicts, Atreyu will step off the line-up for the November 28th performance at MTELUS, leaving a highly focused billing of Underoath, August Burns Red, and Emery.
The Influential Blueprint of Underoath
Formed in Ocala, Florida in 1997, Underoath structurally reinvented the creative balance between absolute metalcore chaos and sweeping cinematic harmony. Reaching their definitive creative era with the dual-vocal dynamic of Spencer Chamberlain’s raw, throat-shredding emotional vulnerability and Aaron Gillespie’s soaring melodic choruses, the band became the undisputed commercial juggernaut of the Tooth & Nail/Solid State roster.
Securing multiple gold records and three separate Grammy Award nominations, the band’s artistic legacy stands in bold defiance of mainstream corporate compromise. By skillfully weaponizing heavy dissonance, post-rock ambiance, and raw punk rock attitude, Underoath established a permanent sonic footprint. Generations of progressive rock, alternative metal, and post-hardcore outfits continue to replicate the trail they blazed, solidifying Define The Great Line as one of the genuinely holy artifacts of 21st-century alternative culture.
Now that the parameters of this historic post-hardcore anniversary trek have officially been locked into place, the floor belongs to the Loaded Radio family. Are you grabbing tickets to witness “Writing On The Walls” inside massive arena rooms, or are you holding out for the hometown chaos of the Tampa finale at the Yuengling Center? Sound off with your regional routing selections and album track rankings in the comments section below!
TL;DR Cheat Sheet
- Celebrating a Landmark Masterpiece: Post-hardcore heavyweights Underoath have officially unveiled their “Define The Great Line Twentieth Anniversary Tour” hitting major arenas this fall.
- A Legendary Era-Defining Lineup: The commemorative trek features longtime scene heavyweights August Burns Red and Atreyu, with foundational support split between Emery and As Cities Burn.
- Full Album Retrospective: The band will perform their iconic 2006 album Define The Great Line in its absolute entirety, including classic rock anthems like “Writing On The Walls.”
- Crucial Ticketing Schedule: The Citi cardmember presale officially opens today, Tuesday, June 9th at 12:00 PM ET, leading up to the wide general public on-sale this Friday, June 12th at 10:00 AM local time.
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