B.M.U. (Black Men United) was a collaboration of prominent African-American male R&B and soul artists formed in the mid-1990s. The group, which included influential artists like Brian McKnight, Boyz II Men, and Usher, had a distinctive sound marked by harmonious vocals and emotive R&B stylings. They are best known for their single "U Will Know," which was featured on the soundtrack of the 1994 film "Jason's Lyric" and achieved significant chart success. Despite their brief existence, B.M.U.'s collaborative effort made a notable impact on the 90s R&B scene.