2017 MBOS is here!

Check out the MBOS Schedules page for detailed information on every event in 2017!  MBOS registration opens May 24th at 12 noon PST! Register early for the best performance slots at all MBOS events.
The Marching Band Open Series is the most progressive marching band circuit on the West Coast!  Nationally acclaimed adjudicators, educationally sound judging criteria where MUSIC is first, and quality venues is what MBOS is all about! Check out the MBOS experience and see first hand what you have been missing!