Sinead O'Connor Won't Sing 'Nothing Compares 2 U' Again — billboard.com

Sinead O'Connor has announced that she will not perform her biggest hit, "Nothing Compares 2 U," as she no longer "emotionally" identifies with the song.  The Prince-penned song was a worldwide smash in 1990, not least for its arresting black and white single shot video, and is also O'Connor's biggest hit, but she said that after 25 years of singing it, she recently realized that she wasn't able to bring the same level emotion to her performance of the song. 

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