In 2004 dechelon saw 27 performances during 11 concerts with 25 bands at 4 venues in 4 locations.

Date Concert Venue Location
Sep 25, 2004
"107.7 KNDD Endfest" / Violent Femmes / Echo & the Bunnymen / Yeah Yeah Yeahs / Muse

107.7 KNDD Endfest

  Setlists
White River Amphitheater Auburn, Washington, United States
Aug 28, 2004
Josh Groban / William Joseph White River Amphitheater Auburn, Washington, United States
Aug 15, 2004
Chicago / Earth, Wind & Fire

Chicago / Earth, Wind & Fire at White River Amphitheatre

White River Amphitheater Auburn, Washington, United States
Jul 27, 2004
Ozzfest
Ozzy Osbourne / Black Sabbath / Judas Priest / Slayer / Dimmu Borgir / Super joint ritual / Black Label Society / Slipknot / Hatebreed / DevilDriver / Unearth / Lamb Of God
  Setlists
White River Amphitheater Auburn, Washington, United States
Jul 25, 2004
Alanis Morissette / Barenkaed Ladies

Au Naturale Tour

  Setlists
White River Amphitheater Auburn, Washington, United States
Jul 24, 2004
Jessica Simpson / Ryan Cabrera / Ashlee Simpson White River Amphitheater Auburn, Washington, United States
Jul 11, 2004
John Mayer / Raul Midon
  Setlists
White River Amphitheater Auburn, Washington, United States
Jul 02, 2004
Rush

R30: 30th Anniversary Tour

  Setlists
White River Ampitheater Auburn, Washington, United States
Feb 21, 2004
Thirty Seconds to Mars
  Setlists
The Roxy Theatre West Hollywood, California, United States
Feb 20, 2004
30 seconds to mars Santa Barbara, California, United States
Feb 19, 2004
Thirty Seconds to Mars / March / Full Frequency / Darvocet
  Photos   Setlists
House of Blues Anaheim Anaheim, California, United States