Make sure your computers are fired up and ready! 2015 MBOS registration opens today, May 20th at 12 noon PST! Register early for the best performance slots at all MBOS events. Don’t have your MBOS log in credentials yet? Visit the MBOS New Ensemble Registration page for your credentials. Still looking to add a performance opportunity to your calendar? Check out the MBOS Schedules page for detailed information on every event in 2015!