Harry Wayne Casey, often known as KC, is best known as the frontman of the disco group KC and the Sunshine Band. His music is characterized by catchy melodies, upbeat rhythms, and a blend of funk, soul, and disco elements. The group gained popularity in the 1970s with hits like "Get Down Tonight" and "That's the Way (I Like It)," which became staples of the disco era. KC's style is marked by vibrant brass sections, infectious grooves, and danceable beats, making his songs popular in clubs and on radio. His contributions to the music industry helped define the sound of disco, influencing many artists and genres that followed.