The lead singer of Suvivor, Jimi Jamison, has died at the age of 63. His booking agent, Sally Irwin, confirmed he died in his home in Memphis, Tennessee of a heart attack.

Jamison took over for David Bickler as the lead singer for Survivor in the ‘80s, going on to make hits for one of the decade’s most popular films The Karate Kid on “The Moment of Truth.” He was also the lead singer for Cobra and provided backup vocals for bands like ZZ Top.

On Monday, his family released a heartfelt message that read, "We are saddened and heartbroken to announce the passing of a great musician, loving father and grandfather, and overall extraordinary, giving, and kindhearted human being.”

"He's loved by so many, most of all his family, and he will be incredibly missed by all,” the post continued, Los Angeles Times reports.

Survivor is currently on tour and Jamison just performed with the band on Saturday in California.

TMZ reports he passed away on Sunday night.

On the band’s Facebook page, they wrote they were “very shocked and saddened” by his passing.