Guitarist Matt Roberts, a founding member of the rock band 3 Doors Down, has died at the age of 38.
The musician was in West Bend, Wisconsin to perform at a benefit.
The West Bend Police Department said someone called authorities at around 7am local time on Saturday to report an unconscious man in a hotel hallway.
Police and firefighters found Roberts dead.
The police statement says there were no signs of trauma and the cause of death was not immediately known.
Matt left 3 Doors Down in 2012 for health reasons.
According to Billboard, he helped create the band with vocalist Brad Arnold and bassist Todd Harrell.
The band's biggest hit was the 2000 song Kryptonite, which was nominated for a Grammy Award.