Neil Diamond briefly came out of retirement to sing 'Sweet Caroline' at a musical celebrating his life in Los Angeles amid his Parkinson's battle.

The 84-year-old singer attended A Beautiful Noise: The Neil Diamond Musical at the Pantages Theatre this weekend when he took ...

Neil Diamond surprised the audience at A Beautiful Noise Musical at the Pantages Theatre in Los Angeles with an impromptu ...

When Neil Diamond made a surprise appearance at the musical based on his life, it was a dream come true for the "American Idol" winner who plays him.

Neil Diamond performed "Sweet Caroline" in a surprise appearance on Saturday at his namesake musical, "The Neil Diamond ...

Diamond has surprised fans with performances of "Sweet Caroline" through the years, including a massive sing-along in Times Square for New Year's Eve in December 2017.