High Quality Content by WIKIPEDIA articles! "The Warning" is a controversial hip hop diss song written and performed by American hip hop artist Eminem and produced by Dr. Dre as part of an ongoing conflict with Mariah Carey. Throughout his career, Eminem claimed he once had a relationship with Carey, dating her for six months. Carey however, always denied the claim. As a result, Eminem recorded a number of songs in which he rapped about the singer in a negative light, angered by her not admitting to seeing him.