Claude Chastagner is a specialist in Anglo-American popular music. In 2022, he published From barrios to bayous - Popular music and identity in the United States.

Oliver Anthony's success is unprecedented in American musical history, he says. He writes content with a high political content, even if he denies any partisan commitment, he adds. The real value for work chosen by the singer to express this vision of the world is not insignificant, says ChastAGner.