But, there’s no need to become a solitary man in black in wait of travelling salvation, as a high-class tribute act is touring New Zealand. Frontman Zac Coombs, complete with a well-developed American twang, heads Showtime Australia’s The Sweet Caroline Tour: A Tribute to Neil Diamond. The 27-show tour is under way and stops at Palmerston North's Regent on Broadway on Friday May 21. Coombs, 36, is from Sydney, Australia, and says he's a lifelong Diamond fan who jumped at the chance to perform as the popular music legend. “Neil Diamond is one of the greatest music artists and songwriters of this time.