2 Fundamentals for a Great Sounding Marching Band
If you want to take your school's marching band to the next level, you need to have a firm grasp of the fundamentals behind what makes a marching band great. If you want to have a great marching band, you need to focus on the airstream and embouchure.
#1 Airstream
Airstream is about knowing how to control your breathing. The key to controlling your breathing when marching is being in control of your posture and knowing how to produce a steady amount of air.