Donald Trump Listens to Jan. 6 Prison Choir Song at Mar-a-Lago Post-Arrest Donald Trump Hand Over ❤ at Mar-a-Lago ... Blastin' J6 Choir Post-Arrest!!! Exclusive 430 4/5/2023 10:41 AM PT

Donald Trump just can't get enough of himself -- the guy was listening to his own voice featured on a new rendition of our National Anthem ... sung by the Jan. 6 insurrectionists.

The ex-Prez -- who was just rung up on 34 felony counts in NYC Tuesday -- flew back to Mar-a-Lago following his eventful outing in the Big Apple ... where he fired up his supporters with a speech, and engaged in an odd display.

Check out this video, obtained by TMZ, which we're told was recorded not too long after DT's diatribe from the podium -- where he condemned Manhattan's D.A. Alvin Bragg and others involved in his criminal case.

You can see Trump put his hand over his heart along with the rest of the room as they blast "Justice for All" over the speakers -- a song released by a handful of men currently in prison for their participation in the Jan. 6 Capitol riots ... now known as the J6 Choir.

👉 For more insights, check out this resource.

The song is basically them singing the "Star Spangled Banner" interlaced with Trump reciting the Pledge of Allegiance ... which created the awkward sight of Trump standing at attention as he listens to himself.

Patriotic to some, a threat to democracy for others.

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The song was put out into the world back in early March and had success on certain charts, believe it or not.