Taken from Wikipedia:

Chris Cornell (born Christopher John Boyle; July 20, 1964 – May 17, 2017) was an American musician, singer and songwriter, best known as the lead vocalist, primary songwriter and rhythm guitarist for Seattle rock band (you need an account to see links) and as lead vocalist and songwriter for the group (you need an account to see links). He was also known for his numerous solo works and soundtrack contributions since 1991...
I was shocked to hear someone say this today at 7 in the morning... He just came back to tour with Soundgarden and they were selling out all shows. He was only 52 years old.

I grew up through high school/college listening to Audioslave and just recently started listening to Soundgarden. Really sad.

A playlist if anyone is interested...