Get ready to blast off into a new season with The Cosmic Boom! This year’s Meet The Boom event is your first look at our incredible 2025 marching band, our sound, our spirit, and the energy we’re bringing to the field all season long.

 

 Follow The Cosmic Boom: 📸 Instagram/Youtube: @SouthGwinettBands

 Facebook: South Gwinnett High School Bands

 Official Backup Youtube: @CosmicBoomOf Gwinnett

 

From our first note to our final bow, we’re here to make every performance unforgettable. #CosmicBoom #MeetTheBoom #MarchingBand #BandLife #HighSchoolBand