Soundgarden front-man, Chris Cornell, died Wednesday night according to a band spokesman. He was 52.

Cornell was a pioneer of the 90s grunge movement. In addition to being the lead singer for the Seattle based band Soundgarden, he was a member of Temple of the Dog, a 'super group' he created with members of Pearl Jam, and later sang in Audioslave.

Details about his death are not available at this time.

NBC News published this statement from his publicist:

"His wife, Vicky, and 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. They would like to thank his fans for their continuous love and loyalty."

Soundgarden's biggest hit was the 1994 song 'Black Hole Sun'.

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