Mariah Carey released "One Sweet Day" with Boyz II Men to record-setting popularity.
Boyz II Men . Boyz II Men proceeded to break this record with the subsequent releases of `` I 'll Make Love to You '' and `` One Sweet Day '' ( with Mariah Carey ) , which , at fourteen and sixteen weeks respectively , each set new records for the total number of weeks at number one . Mariah Carey . Carey and Boyz II Men spent a record sixteen weeks atop the Billboard Hot 100 in 1995 -- 96 with `` One Sweet Day , '' which remains the longest-running number-one song in US chart history . `` One Sweet Day '' is a song by American singer Mariah Carey and R&B group Boyz II Men .