As we previously reported, the Soundgarden frontman was found in his hotel room after a gig in Detroit on Wednesday night, with a band of some kind around his neck.
The Wayne County, Michigan medical examiner completed an autopsy Thursday afternoon and confirmed that Cornell died of suicide by hanging. "There is no additional information at this time".
Cornell, 52, was found dead in his Detroit hotel bathroom on Wednesday night after playing a concert in the city with the grunge band.
Billboard described Cornell as being in "fine form and spirits" during Soundgarden's show last night. Black Hole Sun and Spoonman featured Chris Cornell's gritty growl of a voice that easily transitioned to a soulful howl. He was just 52 years old.
A family friend discovered him after forcing his way into the room when Chris' wife called up anxious.
Cornell became another in a line of lead singers from major grunge rock bands to pass away.More news: Scooby-Doo Is Joining The Supernatural Universe - Yes, Really
It would be ghoulish to race to the lyric sheet of Soundgarden's 1996 hit "Pretty Noose" for answers, but if you listen to the song itself from start to finish, you'll hear everything spectacular about Cornell's singing. During the refrain, Vedder goes low while Cornell climbs upward, and together, they reaffirm the abiding magnetism of rock-and-roll: the bigger the sound, the more room there is for people to get into it.
The rocker´s wife, Vicky Karayiannis Cornell, and the rest of the family "were shocked to learn of his sudden and unexpected passing, and they will be working closely with the medical examiner to determine the cause", the singer´s publicist Brian Bumbery said in a statement.
In 2001, Cornell joined Audioslave, a supergroup that included former Rage Against the Machine members Tom Morello, Brad Wilk and Tim Commerford. "It's what we missed when we weren't a band".
Soundgarden disbanded in 1997 due to tensions in the band, and Cornell pursued a solo career.
After Weiland´s death, Cornell told a radio station there was a long history culturally of "not deifying, but glamorising a little bit, ´the dead guy, ´ whether it´s a rock star or a famous actor". The band released three albums in six years and also performed at a concert billed as Cuba's first outdoor rock concert by an American band, though some Cuban artists have disputed that claim.