Madonna's "Like a Prayer" is one of the most controversial songs of all time, with some Christians finding its music video offensive. A Christian choir worked on the song.
Michael Jackson's "Man in the Mirror" is the rare pop song with a message. The song seems like a paraphrase of one of the most famous passages from the gospels.
Madonna and Prince wrote a song that seem like a love song but it's not. During an interview, the Material Girl revealed what she thought of Prince as a person.
Michael Jackson's "Smooth Criminal" doesn't seem too provocative. However, one artistic choice in the song's music video caused Jackson to leave his religion.