The Glenelg High School Symphonic Band is a musical ensemble of approximately 80 students chosen by audition. For 27 consecutive years, this ensemble has received straight superior ratings at District Adjudications, performing music of the highest level of difficulty. Musical selections have included such pieces as Overture to Candide, Incantation and Dance, Russian Sailor's Dance as well as Robert W. Smith's Inferno and The Ascension from The Divine Comedy.

Each year, the Glenelg Symphonic Band performs at national competitions and receives the highest reviews from judges. National competitions have taken the Glenelg Band to music festivals from Canada to Florida, and each year the band returns with nothing less than superior, first place, and grand championship awards. The Symphonic Band also performs before sell-out audiences at Glenelg's annual Spring and Winter Concerts. The motivating force behind the Glenelg Symphonic Band is Barry P. Enzman, who has taught the instrumental music program at Glenelg since 1974.