TC 1-19.50 governs Army drum major technique, mace signals, marching band movements, training, and ceremonial performance.
View TC 1-19.50 on armypubs.army.mil
TC 1-19.50 covers the drum major’s role, history, responsibilities, attributes, characteristics, equipment, and manual of the mace. It includes training principles, performance procedures, ceremonies, tattoos, and standard-to-metric conversions.
Drum majors use the mace to signal commands to the marching band. (paragraph 2-2)
Commands and mace signals are performed at a tempo between 112 -118 beats per minute, with 116 the preferred tempo for most occasions. (paragraph 2-4)
Drum majors carry the mace in either the left hand at Left Carry or in the right hand at Right Carry. (paragraph 2-9)
The Trail is an alternate carry used primarily to move the mace into position to execute the Countermarch signal. (paragraph 2-15)
The Seven-Count Cutoff is used to stop playing a march and begin playing a cadence. (paragraph 2-45)