But natural trumpets can still produces many notes, or pitches.
Natural trumpets come in many shapes, sizes and materials.
In western Africa, families of ceremonial natural trumpets ranging in size from two to six feet have been made from elephant's tusks. In the South Pacific and other communities that had maritime trade routes, conch shell trumpets have been used. These instruments have long had military and imperial connections. For example, ancient Egyptian natural trumpets have been discovered which bear inscriptions of Egyptian army divisions. In 14th and 15th century Europe, trumpeters were often tower watchmen for castles or military compounds.