Incendiary & Comeback Kid To Co-Headline 2026 ‘Within These Walls’ Festival

Hardcore heavyweights Incendiary and Comeback Kid have been announced as co-headliners for the 2026 edition of the ‘Within These Walls’ festival, set to take place September 19 at The Nile Theater in Mesa, AZ.

The one-day event will once again spotlight a stacked lineup rooted in hardcore and metalcore, blending established genre veterans with rising underground acts. Organizers have assembled a diverse bill spanning multiple eras and styles of heavy music.

Notably, the appearance will mark Incendiary’s first-ever performance in the state of Arizona.

Lineup

• Incendiary
• Comeback Kid
• Set Your Goals
• Skycamefalling
• I Am The Avalanche
• B.D.R.
• Beg For Life
• Commoner
• Darasuum
• Eyes Of Salt
• George Moshington
• Maldita Gente
• Mishap
• No Cure
• Price Of Life
• Sorrower
• Stateside
• This Is Hell
• Time X Heist
• Wristmeetrazor

Tickets for the 2026 installment of ‘Within These Walls’ will go on sale Friday, April 10 at 10:00 AM MST.

With a lineup emphasizing both legacy names and newer voices in the hardcore scene, the festival continues to position itself as a destination event for fans of aggressive underground music.

If you’re rocking with The Mosh Network, hit the link and add us as a Preferred Source on Google. That’s the easiest way to keep our latest metal, hardcore, and alternative news, tours, and releases showing up directly in your feed.