Adjutant's Call

Adjutant's Call is a bugle call indicating that the adjutant is about to form the guard, battalion, or regiment.)
The top staff is for the Bugler, while the lower staff is for the Drums and the Cymbals.^[1]

References

Bugle calls Adjutant's Assembly Attention Boots and Saddles Quarters Charge Church Drill Fatigue Fire First First Sergeant's Guard Mount Last Mail Mess Officer's Pay Recall Reveille Rouse Sunset Taps Tattoo Norwegian Army Mexican Armed Forces