I can't place this band, but feel like I should be able to. Google Lens can't either. Can you?
The walls of the ice cream shop where I saw it had Elvis, Beatles, Monkees, and the Byrds on the wall, plus these guys.
That's Donny Osmond second from the left, which clued me in to the fact that these are The Osmonds (also known as The Osmond Brothers).
Here's a much earlier picture, with Donny in the bottom center:
