When the squadron is dispersed as foragers, the first Captain causes the rally to be sounded. In rallying, the troopers direct themselves to the right and to the left, outside of the flanks of the squadron in order to unmask promptly the front of the squadron, and to reform in passing by the rear. used for Mounted troopers as well.
Listen to it
RJ's Hint: the double triple tongues are exceedingly difficult to play, and are unique to this call.