Nemitz sounds a brass hunting horn to announce departure.

FORBES: Magazine Article

By the end of the seventeenth century, refined versions of the hunting horn had made their way out of the fields, off the shoulder, and into the orchestra, and by the mid-eighteenth century most orchestras included a pair of horns.

NPR: Young Tuba Player Gets Nod from Phila. Orchestra

The immediate ancestors of the modern horn were sixteenth- and seventeenth-century hunting horns, brass hoops (with flared bells) that were played slung over the shoulder, sometimes on horseback.

NPR: Young Tuba Player Gets Nod from Phila. Orchestra