So how did Mike DelGuidice land the chance to open one of the biggest concerts in Nassau Coliseum history?
Even he's not sure. But he certainly wasn't going to think about it too much.
"It's been a long road to get here," said the singer-songwriter from Sound Beach, who was previously best known as the leader of the Billy Joel tribute band Big Shot before Joel added him to his touring band as a guitarist and backing singer two years ago. "I just feel very honored."
In addition to Big Shot and working in Joel's band, DelGuidice also writes his own material, coming close to major-label deals for years. It's that original material -- including "Ordinary Guy" and "One Step at a Time," two ballads he released himself -- that DelGuidice got to unveil in front of its biggest audience yet on Tuesday night, opening for Joel at the final concert at the original Nassau Coliseum.
"Twenty-five years I've been a singer-songwriter," he says. "It's just so great to be here."
DelGuidice says he was playing cards in the Billy Joel Band dressing room two weeks ago before they played M&T Bank Stadium in Baltimore when Brian Ruggles, Joel's longtime sound engineer had the idea.
"You should open the show," DelGuidice remembers Ruggles telling him. Joel had been trying to make the Nassau Coliseum show as Long Island as possible and was trying to decide on an opening act.
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A few days later, Ruggles called DelGuidice and told him Joel loved the idea. "I was beyond thrilled," DelGuidice said.
When asked what his favorite Nassau Coliseum show was after decades of going to concerts at the arena, DelGuidice didn't even hesitate.
"This one," he said, before the show. "It's not going to ever get better than this."