Glen Campbell

On Jan. 22, 1969, Campbell received the first gold single of his career.

Dec. 24, 1964, was an unforgettable day for Campbell.

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Did you know he played on these hits?

On June 22, 2011, Campbell's fans learned that the iconic singer had been diagnosed with Alzheimer's disease.

On May 17, 1967, Campbell recorded "Gentle on My Mind," which became one of the biggest hits of his career.

On Jan. 29, 1969, 'The Glen Campbell Goodtime Hour' debuted on CBS.

On Jan. 22, 1969, Campbell received the first gold single of his career.