WGASC/MBOS is SoCal's Premier Winter Guard and Marching Band Circuit
Winter Guard Association of Southern California
Marching Band Open Series
WGASC Sponsors
| Platinum Sponsors | |
 |
 |
| Creative Costuming & Design | Designs by King |
 |
 |
| Band Shoppe | Director's Showcase |
 |
 |
| Winter Guard Tarps | MVP Apparel |
