Otis Williams & The Charms was a successful doo-wop/R&B group that emerged in the mid-1950s, known for their harmonious vocals and emotive performances. The group, led by Otis Williams, was particularly noted for their 1954 hit, "Hearts of Stone," which topped the R&B charts. They were instrumental in popularizing the doo-wop genre, blending smooth harmonies with rhythm and blues. Their sound was characterized by Williams' distinctive lead vocals, and they remain influential figures in the history of American R&B music.