In an Instagram video, the musical’s lead, “American Idol” winner Nick Fradiani, introduced Diamond, 84, who delivered an impromptu performance of his hit “Sweet Caroline” from the audience.

Good times never seemed so good for a delighted audience over the weekend, when Neil Diamond emerged from retirement for an impromptu sing-along. Diamond performed “Sweet Caroline” in a ...

Neil Diamond Gives Surprise Performance of 'Sweet Caroline' for “A Beautiful Noise ”Audience The singer retired from concert touring in 2018 after he was diagnosed with Parkinson's disease ...

Neil Diamond popped up in an Los Angeles theatre audience on Saturday evening and sang an impromptu performance of his hit Sweet Caroline. The 84-year-old singer attended A Beautiful Noise: The ...

Good times never seemed so good for a delighted audience over the weekend, when Neil Diamond emerged from retirement for an impromptu sing-along. Diamond performed "Sweet Caroline" in a surprise ...

At the curtain call of the July 12 matinee performance of A Beautiful Noise: The Neil Diamond Musical at the Hollywood Pantages Theatre in Los Angeles, patrons were met with a surprise when Neil ...

Neil Diamond performed "Sweet Caroline" in a surprise appearance on Saturday at his namesake musical, "The Neil Diamond Musical: A Beautiful Noise," in Los Angeles.

Neil Diamond performed "Sweet Caroline" in a surprise appearance on Saturday at his namesake musical, "The Neil Diamond Musical: A Beautiful Noise," in Los Angeles.