You named your medicine "Tropicurical." To advertise the product, one of the employees in your advertising department writes a song based on the very distinctive sounds of the wind in the inland coves of country mixed with the native birds' calls. The tribes people of the tropical country have a song that sounds remarkably similar to your advertising tune. The song is important to their tribal identity, and they argue that it is inappropriate to use their distinctive tribal song to commercialize your product. They ask you to stop using it.

• Should they be able to stop you from using the name or song?

When you refuse to stop using the Tropicurical song to advertise your product, the tribespeople write a new version of their song entitled "Tropicursical" with angry lyrics claiming that your product destroys culture.

• Should you be able to stop them from singing the song?

National Geographic records the tribes people singing "Tropicursical." The recording plays as part of the news report on their television show. It's also available for download on the National Geographic website. Individuals download copies of the song and email it to their friends. It spreads like wildfire over the internet and eventually popular radio stations begin playing it over the air.

• Should you be able to stop these copies and performances?