Vocal Adrenaline is a fictional show choir featured in the television series Glee. Known for their high-energy performances and exceptional vocal talent, they often compete against other show choirs in various competitions. Their signature style includes elaborate choreography and powerful harmonies, making them a formidable rival. The group is led by Jesse St. James, a talented singer who becomes a central character in the series. Vocal Adrenaline represents the competitive spirit of show choirs, showcasing the dedication and passion of its members as they strive for excellence in music and performance.