Cornell has been considered a powerful and dynamic performer, and Soundgarden has been considered as one of the pioneers of grunge music and was also one of the most successful bands in the 1990s.
Martin, who was working as a personal bodyguard for the Soundgarden frontman, had stopped by Chris' room at 11:30pm to fix the singer's computer.
During the tribute, Bono said a prayer for Cornell's family, according to "Variety," stating, "For the lion that was Chris Cornell, we send a prayer to his lioness".
A full autopsy report was not yet completed Thursday afternoon.
Artist and musician Kevin Morris, a friend of rocker Chris Cornell and former roadie for the singer's bands Soundgarden and Audioslave, offered personal insights during a candlelight vigil at the Fox Theatre almost 48 hours after the singer's suicide. In 2001, Cornell joined with three former members of Rage Against the Machine to form Audioslave.
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The medical examiner from Wayne County recently confirmed that Cornell committed suicide by hanging.
Fans have gathered at a Detroit concert venue to remember singer Chris Cornell. Chris Cornell was found unresponsive in a hotel room bathroom just hours after his final performance.
Festival goers embrace during a tribute to Chris Cornell performed by Corey Taylor at Rock On The Range Music Festival on Friday in Columbus, Ohio. Kirk Pasich, a lawyer for Cornell's family, released a statement that confirms that Chris' loved-ones are waiting for his pending toxicology results.
Cornell, along with Kurt Cobain, Eddie Vedder and Layne Staley were responsible for bringing Seattle's sound to the main stage in the late 1980s and 1990s.
"Chris, a recovering addict, had a prescription for Ativan and may have taken more Ativan than recommended dosages", Pasich said.