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“This is a song about the appreciation of reality,” Sammy Hagar declared rather high-mindedly to introduce Van Halen’s “Right Now” in the Palomino.

For that last tune, Hagar told the crowd, “We’re gonna take this s— to the beach,” then made good on it by taking off his shoes — and his socks — and rolling up his pants to clam-digging length.

Guy Fieri even popped out to take a swig from Hagar’s bottle.

Fried cited the work of Hagar Gelbard-Sagiv, a postdoc in his lab, who, as described in a 2008 paper, found that when subjects were shown a variety of film clips while researchers recorded the activity of single neurons in their hippocampus and surrounding areas, a subset of those neurons fired in response to a particular concept — there was one neuron, for example, that began firing at the start of a clip from "The Simpsons" and continued firing despite the changing images on the screen.

Sammy Hagar has been one of rock music’s most visible personalities for over half a century — from his days fronting Montrose in the early 1970s through his stint as Van Halen’s singer in the mid-1980s and early ’90s to his perch in recent decades atop the Cabo Wabo booze-and-bars empire.