Released in 1992 as part of his Dangerous album, "Who Is It" is a compelling blend of pop, R&B, and dance music, featuring a haunting melody and introspective lyrics. Written by Michael Jackson, the song tells the story of heartbreak and confusion, questioning the identity of a person who has betrayed the narrator’s trust. Its moody, atmospheric production, combined with Jackson’s emotive vocals, creates a sense of mystery and emotional depth. "Who Is It" was a commercial success, reaching the top of international charts, and remains one of the standout tracks on Dangerous for its intricate production and introspective themes.