Calling all high schoolers! Come play with the nation's #1 pep band on Saturday, December 7th at the first ever GMU Green Machine Band Day! Visit t.co/wzudZJn6J5 to sign up today! #ChooseMason #GMUGreenMachine #GoGreen #GoGold #GMUMBB #MasonAthletics t.co/MB6gGerzZx