The concert bands at Harlingen South have been widely successful in the years since the start of the school.
Under the direction of Mr. Shinsato, The Wind Ensemble has earned numerous awards, including several UiL Sweepstakes awards.
Under the direction of Laura Benavides, The Symphonic band has had a long tradition of excellence on the UiL Concert Stage.
Under the direction of Richard De La Riva, the Cano "Gold" Band consists of the 9th grade students who attend the Cano Freshman Academy. The school is currently in it's 5th year of existence.