They shoot, they score: Long Island’s own — a quintet, called appropriately “The Joyous Quintet” — arrived on stage Sunday on NBC’s “Little Big Shots,” and managed to get an audience on their feet and probably a few million thumbs off the channel changer.

These kids were good. A joyous, glorious future obviously awaits.

Playing a mash-up of some Tchaikovsky with some Europe (“The Final Countdown”), they sawed furiously on their instruments, kept in tune and in tandem, and even impressed with their sartorial touches, including a princess dress, and sunglasses.

“Can I say something to y’all,” quipped host Steve Harvey — following a joke about their parentage (“I’m your daddy”): “That was incredible.”

Indeed.

The kids are cellist Justin Yu, 9, of Jericho; bassist Brendan Lau, 11, of Williston Park; and violinists: Mickayla Jia, 9, of Jericho; Tyler Lau, 9, of Williston Park; and Christine Yu, 6, of Jericho.

And, they are all students at Hicksville-based Joyous Music School.

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Even at their impossibly young age, these kids are seasoned, as was evident Sunday, and as Newsday’s Beth Whitehouse reported recently. They’ve had recent gigs on “Today,” “GMA,” and have performed at the White House, in Asia, and on a German talent show.

Now, an American one. In fact, the biggest one at the moment. Good thing they were so impressive.