1. Both were playing a traditional wind instrument known as the didgeridoo.

2. Perhaps few outside of Australia have heard the didgeridoo, a musical instrument unique to the Australian Aborigine.

3. While in the harbor area, enjoy the free entertainment provided by a wide variety of buskers—acrobats, Aborigines playing the didgeridoo (a typical Aborigine wind instrument), or a jazz ensemble.

4. Unique as it is, the Swiss Alphorn has a number of prototypes in other countries – from Australian didgeridoo to Polish Ligawka, Romanian Bucium, Argentinian Erke and Ukrainian Trembita – all manufactured to the same principle, yet using different technologies.