Neil Diamond has announced he is retiring from touring because he has been diagnosed with Parkinson's disease. In this Oct. 20, 2014 file photo, Neil Diamond performs on NBC's "Today" show in New York. Diamond is retiring from touring after he says he was diagnosed with Parkinson’s disease. Diamond turns 77 on Wednesday., and will get the lifetime achievement award at Sunday’s Grammy awards. (Photo by Charles Sykes/Invision/AP, File)

Neil Diamond has announced he is retiring from touring because he has been diagnosed with Parkinson's disease.

 In this Oct. 20, 2014 file photo, Neil Diamond performs on NBC's "Today" show in New York. Diamond is retiring from touring after he says he was diagnosed with Parkinson’s disease. Diamond turns 77 on Wednesday., and will get the lifetime achievement award at Sunday’s Grammy awards. (Photo by Charles Sykes/Invision/AP, File)