br The Avett Brothers canceled their sold-out concert at Troutdale, Oregon’s Edgefield Saturday after a man in possession of the gun made his way into the venue.br According to the band in a statement, “an individual passing through the metal detector was found to be carrying a gun. When confronted by the security guard and informed of the no-firearm policy of the venue, the individual stated that he was an out-of-state police officer and showed a badge.