The Lettermen are an American vocal group formed in 1961, known for their smooth harmonies and pop sound. The original members were Jim Pike, Tony Butala, and Bob Engemann. They gained popularity in the 1960s with hits like "When I Fall in Love" and "The Way You Look Tonight," blending traditional pop with contemporary styles. Over the years, the group has undergone several lineup changes but has maintained its signature sound. The Lettermen have released numerous albums and continue to perform, appealing to both nostalgic fans and new listeners. Their music often features romantic themes and melodic arrangements.