"When a Man Loves a Woman" is a 1966 R&B song by Percy Sledge. The song hit #1 on the U.S. "Billboard" Hot 100 chart. It also was #1 on the R&B singles chart. The song was later performed by Michael Bolton in 1991. His version won a Grammy Award. Barbara Mandrell recorded a country music version of this song, also in 1991.