Cornell first rose to stardom almost three decades ago as the lead vocalist of the Seattle-based grunge rock band Soundgarden.
"Cornell, the lead singer of Soundgarden and later Audioslave, had appeared upbeat on his Twitter feed before Wednesday's show, posting a picture of the outside of the Fox Theatre in Detroit where they were playing with the caption: "#Detroit finally back to Rock City!
Soundgarden predated both grunge pioneers Nirvana and Pearl Jam, but it wasn't an overnight success. While Soundgarden got their start with label Sub Pop in the late 80s, 1994s studio album Superunknown made the band a household name.
Led Zeppelin guitarist Jimmy Page tweeted: "RIP Chris Cornell".
The Detroit Free Press reported that Detroit police social media manager Dontae Freeman said Cornell was found dead in a hotel room at the MGM Grand Detroit hotel with "a band around his neck". The family friend forced open the hotel room door, discovering Cornell on the bathroom floor.
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Detroit police say the death of rocker Chris Cornell, the lead singer of the bands Soundgarden and later Audioslave, is being investigated as a possible suicide. The talented Wood struggled with heroin and cocaine addictions, and eventually died at the age of 24.
Besides Soundgarden, Cornell founded the early grunge band Temple of the Dog and also sang with Audioslave - a supergroup with members of Rage Against the Machine in which Cornell took a leftist political slant. Their one, self-titled, album was certified platinum.
With his powerful, almost four-octave vocal range, Cornell was one of the leading voices of the 1990s grunge movement. "On the last tour that we were on together, he was sort of very quiet".
Soundgarden disbanded in 1997, but reunited in 2010. The singer, 52, took his own life after he performed a concert in Detroit on May 17.
The group's defining moment was a 2005 concert in Cuba, which at the time was billed as the country's first outdoor rock concert by an American band.
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Rocker Dave Navarro mourned the loss of Cornell, tweeting: "Such a awful and sad loss!"
News of his death was met with shock by musicians and fans alike, many of whom posted tributes.
Cornell is survived by and his wife, Vicky Karayiannis, their kids Toni, 12, and Christopher, 11 and his daughter Lillian, who is nearly 17, from a previous marriage.
A bench near the center of the sculpture was covered with flower arrangements, one of which included a note, "Say "hello" to Heaven", a reference to a song written by Cornell for a musician friend who died decades ago.
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