Claim: Boyz II Men was a musical group in the 1990's.

`` One Sweet Day '' is a song by American singer Mariah Carey and R&B group Boyz II Men . The song was written by Carey , Walter Afanasieff and Boyz II Men : Wanya Morris , Shawn Stockman , Nathan Morris , and Michael McCary . `` One Sweet Day '' was produced by Carey and Afanasieff for her fifth studio album , Daydream , and was released as the album 's second single on . The song speaks about the death of a loved one , how the protagonist took their presence for granted and misses them , and finally about seeing the person in heaven . Both Carey and Boyz II Men wrote the song about specific people in their lives , being inspired by sufferers of the AIDS epidemic , which was globally prevalent at that time .   `` One Sweet Day '' received widespread acclaim from critics , many of whom praised its lyrical content and vocals , as well as calling it a standout track from Daydream . It was ranked first in Rolling Stones reader 's poll for the Best Collaboration of All Time . The song spent 16 weeks atop the Billboard Hot 100 in the United States , becoming the longest running number one song on the chart . Subsequently , `` One Sweet Day '' became the Billboards most successful song of the 1990s , topping the Hot 100 decade-end chart . Internationally , the song topped the charts in Canada and New Zealand , and reached the top-ten in Australia , Belgium , France , Ireland , the Netherlands , Norway , Sweden and the United Kingdom .   Carey performed `` One Sweet Day '' live alongside Boyz II Men at the 38th Grammy Awards ceremony , held on February 26 , 1996 . Additionally , the song was performed at Princess Diana 's memorial service in September 1997 . `` One Sweet Day '' was part of the set list on several of Carey 's succeeding tours , making its debut during the album 's accompanying set of concerts , the Daydream World Tour . It is featured on her compilation albums , # 1 's -LRB- 1998 -RRB- , Greatest Hits -LRB- 2001 -RRB- , The Ballads -LRB- 2008 -RRB- , and # 1 to Infinity -LRB- 2015 -RRB- .   The music video for `` One Sweet Day '' was filmed in February 1995 , and features snippets of Carey and Boyz II Men in and around the studio , and recording the song . The busy schedule of both Carey and Boyz II Men did not allow time to record a proper video . The singer later said that she was content a real music video was never filmed , fearing that no video could truly capture the song 's strong lyrical message . Critics felt the video choice was wise , and agreed that the simple concept paid homage to the song 's selfless message .