Here is a complete diagram of the courses offered here at Uni. If you would like to be in marching band, you are required to be in one of the concert bands.
If you are in Winter Guard, you do not have to be in a band. It's just listed so you can see where in the schedule it would be placed.
Here are the Google Classroom codes for the bands year:
Concert Band - dtxrnwm
Symphonic Band - 7y422d4
Wind Ensemble - wakp7x
Wind Symphony - yi3m38