Forget the final score (well, actually don't — it was a great night the Mets needed). The best moment of Friday's Game 3 of the World Series may have been off the field — and all around it.

During the eighth inning of the Mets' 9-3 victory over the Royals, Billy Joel's "Piano Man" began blaring through Citi Field's speakers.

Mets fans have long memories — so they know Joel performed the National Anthem during Game 2 back in 1986, the last year the Mets won a Series. And he sang the Anthem again Friday night.

So Joel was still on hand to sing along with thousands and thousands of joyous, beaming fans.

And the magic of the music was felt well beyond Queens: