Johnson's music career spans over two decades, during which she has released several albums and singles that showcase her remarkable vocal range and emotional depth. Her music style is a fusion of pop, rock, and R&B, which has resonated with fans of various genres. Some of her notable hits include "La moitié du ciel," "Chaque jour est un jour de moins," and "Rêver." Her songs often focus on themes of love, self-empowerment, and personal growth, inspiring listeners with her authenticity and vulnerability.