“One Sweet Day” in ’95, Mariah & Boyz II Men created harmony, and the longest-running #1, ever
The year 1995 was the pinnacle of Mariah Carey’s commercial success. “Fantasy” had become the first song by a female artist to debut at #1 on the Hot 100 and only the second one in the history of Billboard (the first was Michael Jackson’s “You Are Not Alone” a few weeks before); the Daydream album had debuted at #1, which


