Why is Trump targeting and demanding investigation against Beyoncé and Springsteen appearances?

Donald Trump has escalated his attack on musicians supporting Kamala Harris. He alleged illegal payments to Beyonce, Oprah Winfrey, Bruce Springsteen and Bono for endorsements. Trump has demanded a 'major' investigation into Harris' campaign activities. He claims these endorsements are illegal campaign contributions and accused them of unlawful activities during the 2024 election.