One Sweet Day" is a song recorded by Mariah Carey and Boyz II Men. It was written by Carey, Boyz II Men members, and Walter Afanasieff, and was produced by Carey and Afanasieff for Carey's Fifth album Daydream, and was released as the album's second single in 1995.
It Still holds the record for the longest run at number 1 on the U.S. Billboard Hot 100 (16 weeks total), and is one of the biggest American hits of both Mariah Carey's and Boyz II Men's careers. The song ranked at number 29 on Billboard's Hot 100 All-Time Top Songs.