American Federation of Musicians leaders said they could "not remain silent as one of our most celebrated members is singled out and personally attacked by the President of the United States."

The president called the Rock and Roll Hall of Fame legend a "bad and very boring singer" while accusing Springsteen of having "Trump Derangement Syndrome" in a post on Tuesday (April 2).

During the concert, The Boss noted that America “is currently in the hands of a corrupt, incompetent, racist, reckless and treasonous administration,” asking the audience to choose “hope over fear, de...