Neil Diamond makes a rare appearance singing Sweet Caroline at

Neil Diamond makes a rare appearance singing Sweet Caroline at Fenway Park during the Boston Red Sox game

Neil Diamond makes a rare appearance, smashing the classic Sweet Caroline at Fenway Park during the Boston Red Sox game

Neil Diamond sang his classic Sweet Caroline during the Boston Red Sox vs. St. Louis Cardinals game at Fenway Park on Saturday.

The legendary singer, 81, performed the 1969 song for the first time in nine years at the ballpark, where the song has been a staple for the past 25 years as the team plays it during the eighth inning.

The New York native last sang on April 20, 2013 at the famous ballpark, the Red Sox’s first home game after the Boston Marathon bombing.

The Latest: Neil Diamond, 81, sang his classic song Sweet Caroline during the Boston Red Sox game against the St. Louis Cardinals at Fenway Park on Saturday

The Latest: Neil Diamond, 81, sang his classic song Sweet Caroline during the Boston Red Sox game against the St. Louis Cardinals at Fenway Park on Saturday

The Rock and Roll Hall of Famer wore a red Red Sox Letterman jacket with black and white sleeves as he sang his classic alongside Broadway star Will Swenson.

Diamond said in a tweet on Sunday, “Thank you @thewillswenson and the cast of @beautifulnoise for singing with me at Fenway last night! “Good times never seemed so good!”‘

The performance received positive reactions on social media, with one user saying: “I’m glad to see Mr Diamond doing what he does best, especially since he battled Parkinson’s.”

Writer Katie Woo wrote: “Seeing/hearing/experiencing Neil Diamond in the lead role of ‘Sweet Caroline’ live at Fenway Park was the ultimate baseball bucket list item that I never knew was to this day I need it.”

The Rock and Roll Hall of Famer wore a red Red Sox Letterman jacket as he sang his classic alongside Broadway star Will Swenson

The Rock and Roll Hall of Famer wore a red Red Sox Letterman jacket as he sang his classic alongside Broadway star Will Swenson

Diamond sang alongside Swenson, who is set to play him in the upcoming musical A Beautiful Noise, the Neil Diamond Musical

Diamond sang alongside Swenson, who is set to play him in the upcoming musical A Beautiful Noise, the Neil Diamond Musical

Diamond sang alongside Swenson, who will play him in the upcoming musical A Beautiful Noise, The Neil Diamond Musical, which runs in Boston June 21-July 31 before opening on Broadway later this year.

The musical will feature tracks like “America,” “You Don’t Bring Me Flowers,” and “Song Sung Blue,” the Boston Herald reported.

Diamond has not toured for more than four years as he retired from the road after being diagnosed with Parkinson’s disease.

The musical will include tracks like

The musical will include tracks like “America”, “You Don’t Bring Me Flowers” and “Song Sung Blue”.

Diamond has not toured for more than four years as he retired from the road after being diagnosed with Parkinson's disease

Diamond has not toured for more than four years as he retired from the road after being diagnosed with Parkinson’s disease

Diamond took to Twitter after the well-received outing

Diamond took to Twitter after the well-received outing

He said in a January 22, 2018 statement on his website: “It is with great reluctance and disappointment that I announce my retirement from the concert tour.

“I’m honored to bring my shows to the public for the past 50 years.”

Diamond said Parkinson’s disease “has made it difficult to travel and perform on a large scale,” adding that he planned to “stay active with writing, recording and other projects for a long time to come.”

1655705124 291 Neil Diamond makes a rare appearance singing Sweet Caroline at The sentimental outing was warmly received on Twitter

The sentimental outing was warmly received on Twitter