Sa-Fire, born Wilma Cosme in Puerto Rico, is an American pop and freestyle singer most active during the late 1980s and early 1990s. She rose to prominence with her distinctive blend of Latin pop, dance-pop, and freestyle music, punctuated by her powerful vocals. Sa-Fire is best known for her hit singles "Don't Break My Heart" and "Thinking of You", both of which showcased her ability to combine emotional lyrics with infectious dance beats. She has been influential in the freestyle music scene, particularly for her contributions to its crossover into mainstream pop.