(The proof is here onX, formerly Twitter.)

They ended with a perfectly chef’s-kiss comment: “… And really, THAT song?”

Pop culture expert Mike Singtonasked, “Is Trump’s campaign being trolled from within?”

Celine Dion singing and shading eyes blue dress

and pointed out, “Many consider Titanic a metaphor for Trump’s sinking campaign.”

Another commenternotedthe inappropriateness of the tone: “Such an energetic fun song for a rally!

Who died??”

Donald Trump arms spread out Mar-a-Lago podium

John Fogerty and Bruce Springsteen even accused Trump of misusing their famous protest songs for his benefit.

Nor was this the only breach of musical etiquette that occurred in Montana.

Calling Trump an example of “the worst in integrity and class,” Hayes threatened legal action.

I hate that so many of us see Trump when we hear your father’s song now."