The ceremony marks the 40th anniversary of the plane crash in Lake Monona. Cauley, then 20, was the only survivor. This will be the first time that he has returned to the site.
"I knew one day I would back," he told an AP reporter. "There were a number of times that I thought about it but didn't have the strength. I'm coming this time."
He said that he plans to perform songs on his trumpet, including Redding's hit "(Sittin' on) the Dock of the Bay."
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