The Bob Knight Four was a 1960s pop vocal group, led by Bob Knight. Known for their harmonious and melodic style, the group added a unique touch to the music scene with their blend of pop and doo-wop. Their most notable work is the hit single "Good Goodbye", which gained significant popularity during its release. Despite their brief tenure in the music industry, the Bob Knight Four left a lasting influence on the pop music genre with their distinctive sound.