O'Connor died of natural causes, his family said in a statement. The music icon is best known for her cover of Prince's "Nothing Compares 2 U", which catapulted her to short-lived fame. The author of "Rememberings" was criticized in 1992 for singing Bob Marley's "War" on "Saturday Night Live" in protest of child sex abuse within the Catholic Church. O'Connor won only one award in her career, a sole win. She gained worldwide attention for her second album, "I Do Not Want What I Haven't Got," which included the lead single, "Nothing Compares." She was nominated for threeGRAMMAs for her performance of the power song. Sinéad O'Connor, an acclaimed and controversial Irish musician, died at 56.
Religious groups destroyed her albums and radio stations pulled her songs after the "SNL" controversy, but O'Connor expressed no regrets. O'Connor said in the documentary that she wanted to be a pop star. She didn't want to be a pop star. The O'Connor's life was chronicled in a documentary in which she was accused of abuse by her mother, who died in a car accident at the age of 19. O'Connor spoke out about her mental health many times during her career. Six years after her son died by suicide, O'Connor was diagnosed with a range of mental illnesses. The mother of four wrote a series of messages on X after her son's death.