Clyde McCoy (1903–1990) was a trumpeter and bandleader who became synonymous with the wa-wa trumpet sound that defined early swing and hot jazz. His 1931 recording of 'Sugar Blues' became an iconic example of the growl trumpet technique, capturing the playful, vocalized quality that made the song unforgettable across generations. McCoy's orchestra brought sophistication and technical precision to popular song arrangements, blending jazz idioms with the accessibility that made dance band music thrive in the 1930s and beyond.
For music educators, McCoy's work represents a bridge between classical trumpet technique and jazz expression. His innovations in muted trumpet effects opened doors for countless performers and remain relevant in teaching students how timbre and articulation can reshape familiar material.