"George Harrison would cite "Oh Happy Day" as inspiration for his hit "My Sweet Lord," and Glen Campbell reached the adult contemporary charts with his own version of the Hawkins performance.

Currently in the late stages of Alzheimer’s disease, country legend Glen Campell will release ... But for him he’s just happy every day, smiles, he enjoys life and he enjoys being around ...

After Glen Campbell announced his Alzheimer's Disease in June 2011, he still performed for captive audiences who crooned with him to tunes like 'Gentle On My Mind' and 'Rhinestone Cowboy.

But day-to-day ... change for Campbell. He was ready to give up life on the road a few years ago, said Bill Maclay, Campbell's tour manager for 33 years. "Glen was not a happy camper out on ...

“I’ve laughed and I’ve cried,” Glen Campbell said ... my way I need the ones that I love most To hold me more each day Campbell, 75, announced last year that he is battling Alzheimer ...