WGASC/MBOS is SoCal's Premier Winter Guard and Marching Band Circuit
Pops Original is the official supplier of MBOS Championship Tees and Pins! Reserve your order today and pick it up at the 2014 MBOS Championships hosted by Chino Hills H.S.! Contact Pops Originals for more information!
| Platinum Sponsors | |
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| Creative Costuming & Design | Designs by King |
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| Band Shoppe | Director's Showcase |
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| Winter Guard Tarps | MVP Apparel |
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| Remo | Halftime Mag |
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| Innovative Percussion |
WGASC Now! |
| WGASC Platinum Sponsors | |
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| Creative Costuming & Design | Designs by King |
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| Band Shoppe | Director's Showcase |
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| Winter Guard Tarps | |
